Makefile

   1 # SPDX-License-Identifier: GPL-2.0+
   2
   3 VERSION = 2025
   4 PATCHLEVEL = 04
   5 SUBLEVEL =
   6 EXTRAVERSION = -rc1
   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/^\(.*ccache\)\{0,1\}[[:space:]]*\([^\/]*\/\)*\([^-]*\)-[^[:space:]]*/\3/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 $(MK_ARCH), "arm" "armv7" "armv7a" "armv7l"))
  34   export HOST_ARCH=$(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 -Wno-unknown-attribute \
 427                   -D__CHECK_ENDIAN__ $(CF)
 428
 429 KBUILD_CPPFLAGS := -D__KERNEL__ -D__UBOOT__
 430
 431 KBUILD_CFLAGS   := -Wall -Wstrict-prototypes \
 432                    -Wno-format-security \
 433                    -fno-builtin -ffreestanding $(CSTD_FLAG)
 434 KBUILD_CFLAGS   += -fshort-wchar -fno-strict-aliasing
 435 KBUILD_AFLAGS   := -D__ASSEMBLY__
 436 KBUILD_LDFLAGS  :=
 437
 438 ifeq ($(cc-name),clang)
 439 ifneq ($(CROSS_COMPILE),)
 440 CLANG_TARGET    := --target=$(notdir $(CROSS_COMPILE:%-=%))
 441 LDPPFLAGS       += $(CLANG_TARGET)
 442 GCC_TOOLCHAIN_DIR := $(dir $(shell which $(LD)))
 443 CLANG_PREFIX    := --prefix=$(GCC_TOOLCHAIN_DIR)
 444 GCC_TOOLCHAIN   := $(realpath $(GCC_TOOLCHAIN_DIR)/..)
 445 endif
 446 ifneq ($(GCC_TOOLCHAIN),)
 447 CLANG_GCC_TC    := --gcc-toolchain=$(GCC_TOOLCHAIN)
 448 endif
 449 KBUILD_CFLAGS += $(CLANG_TARGET) $(CLANG_GCC_TC) $(CLANG_PREFIX)
 450 KBUILD_AFLAGS += $(CLANG_TARGET) $(CLANG_GCC_TC) $(CLANG_PREFIX)
 451 KBUILD_CFLAGS += $(call cc-option, -no-integrated-as)
 452 KBUILD_AFLAGS += $(call cc-option, -no-integrated-as)
 453 endif
 454
 455 # Don't generate position independent code
 456 KBUILD_CFLAGS   += $(call cc-option,-fno-PIE)
 457 KBUILD_AFLAGS   += $(call cc-option,-fno-PIE)
 458
 459 # Read UBOOTRELEASE from include/config/uboot.release (if it exists)
 460 UBOOTRELEASE = $(shell cat include/config/uboot.release 2> /dev/null)
 461 UBOOTVERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SUBLEVEL)))$(EXTRAVERSION)
 462
 463 export VERSION PATCHLEVEL SUBLEVEL UBOOTRELEASE UBOOTVERSION
 464 export ARCH CPU BOARD VENDOR SOC CPUDIR BOARDDIR
 465 export CONFIG_SHELL HOSTCC KBUILD_HOSTCFLAGS CROSS_COMPILE AS LD CC
 466 export CPP AR NM LDR STRIP OBJCOPY OBJDUMP KBUILD_HOSTLDFLAGS KBUILD_HOSTLDLIBS
 467 export MAKE LEX YACC AWK PERL PYTHON PYTHON2 PYTHON3
 468 export HOSTCXX KBUILD_HOSTCXXFLAGS CHECK CHECKFLAGS DTC DTC_FLAGS
 469
 470 export KBUILD_CPPFLAGS NOSTDINC_FLAGS UBOOTINCLUDE OBJCOPYFLAGS KBUILD_LDFLAGS
 471 export KBUILD_CFLAGS KBUILD_AFLAGS
 472
 473 export CC_VERSION_TEXT := $(shell $(CC) --version | head -n 1)
 474
 475 # When compiling out-of-tree modules, put MODVERDIR in the module
 476 # tree rather than in the kernel tree. The kernel tree might
 477 # even be read-only.
 478 export MODVERDIR := $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/).tmp_versions
 479
 480 # Files to ignore in find ... statements
 481
 482 export RCS_FIND_IGNORE := \( -name SCCS -o -name BitKeeper -o -name .svn -o    \
 483                           -name CVS -o -name .pc -o -name .hg -o -name .git \) \
 484                           -prune -o
 485 export RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn \
 486                          --exclude CVS --exclude .pc --exclude .hg --exclude .git
 487
 488 export PYTHON_ENABLE
 489
 490 # This is y if U-Boot should not build any Python tools or libraries. Typically
 491 # you would need to set this if those tools/libraries (typically binman and
 492 # pylibfdt) cannot be built by your environment and are provided separately.
 493 ifeq ($(NO_PYTHON),)
 494 PYTHON_ENABLE=y
 495 endif
 496
 497 # ===========================================================================
 498 # Rules shared between *config targets and build targets
 499
 500 # Basic helpers built in scripts/
 501 PHONY += scripts_basic
 502 scripts_basic:
 503         $(Q)$(MAKE) $(build)=scripts/basic
 504         $(Q)rm -f .tmp_quiet_recordmcount
 505
 506 # To avoid any implicit rule to kick in, define an empty command.
 507 scripts/basic/%: scripts_basic ;
 508
 509 PHONY += outputmakefile
 510 # outputmakefile generates a Makefile in the output directory, if using a
 511 # separate output directory. This allows convenient use of make in the
 512 # output directory.
 513 outputmakefile:
 514 ifneq ($(KBUILD_SRC),)
 515         $(Q)ln -fsn $(srctree) source
 516         $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile $(srctree)
 517 endif
 518
 519 # To make sure we do not include .config for any of the *config targets
 520 # catch them early, and hand them over to scripts/kconfig/Makefile
 521 # It is allowed to specify more targets when calling make, including
 522 # mixing *config targets and build targets.
 523 # For example 'make oldconfig all'.
 524 # Detect when mixed targets is specified, and make a second invocation
 525 # of make so .config is not included in this case either (for *config).
 526
 527 version_h := include/generated/version_autogenerated.h
 528 timestamp_h := include/generated/timestamp_autogenerated.h
 529 defaultenv_h := include/generated/defaultenv_autogenerated.h
 530 dt_h := include/generated/dt.h
 531 env_h := include/generated/environment.h
 532
 533 no-dot-config-targets := clean clobber mrproper distclean \
 534                          help %docs check% coccicheck \
 535                          ubootversion backup tests check pcheck qcheck tcheck \
 536                          pylint pylint_err _pip pip pip_test pip_release
 537
 538 config-targets := 0
 539 mixed-targets  := 0
 540 dot-config     := 1
 541
 542 ifneq ($(filter $(no-dot-config-targets), $(MAKECMDGOALS)),)
 543         ifeq ($(filter-out $(no-dot-config-targets), $(MAKECMDGOALS)),)
 544                 dot-config := 0
 545         endif
 546 endif
 547
 548 ifeq ($(KBUILD_EXTMOD),)
 549         ifneq ($(filter config %config,$(MAKECMDGOALS)),)
 550                 config-targets := 1
 551                 ifneq ($(words $(MAKECMDGOALS)),1)
 552                         mixed-targets := 1
 553                 endif
 554         endif
 555 endif
 556
 557 ifeq ($(mixed-targets),1)
 558 # ===========================================================================
 559 # We're called with mixed targets (*config and build targets).
 560 # Handle them one by one.
 561
 562 PHONY += $(MAKECMDGOALS) __build_one_by_one
 563
 564 $(filter-out __build_one_by_one, $(MAKECMDGOALS)): __build_one_by_one
 565         @:
 566
 567 __build_one_by_one:
 568         $(Q)set -e; \
 569         for i in $(MAKECMDGOALS); do \
 570                 $(MAKE) -f $(srctree)/Makefile $$i; \
 571         done
 572
 573 else
 574 ifeq ($(config-targets),1)
 575 # ===========================================================================
 576 # *config targets only - make sure prerequisites are updated, and descend
 577 # in scripts/kconfig to make the *config target
 578
 579 KBUILD_DEFCONFIG := sandbox_defconfig
 580 export KBUILD_DEFCONFIG KBUILD_KCONFIG
 581
 582 config: scripts_basic outputmakefile FORCE
 583         $(Q)$(MAKE) $(build)=scripts/kconfig $@
 584
 585 %config: scripts_basic outputmakefile FORCE
 586         $(Q)$(MAKE) $(build)=scripts/kconfig $@
 587
 588 else
 589 # ===========================================================================
 590 # Build targets only - this includes vmlinux, arch specific targets, clean
 591 # targets and others. In general all targets except *config targets.
 592
 593 # Additional helpers built in scripts/
 594 # Carefully list dependencies so we do not try to build scripts twice
 595 # in parallel
 596 PHONY += scripts
 597 scripts: scripts_basic scripts_dtc include/config/auto.conf
 598         $(Q)$(MAKE) $(build)=$(@)
 599
 600 ifeq ($(dot-config),1)
 601 # Read in config
 602 -include include/config/auto.conf
 603
 604 # Read in dependencies to all Kconfig* files, make sure to run
 605 # oldconfig if changes are detected.
 606 -include include/config/auto.conf.cmd
 607
 608 # To avoid any implicit rule to kick in, define an empty command
 609 $(KCONFIG_CONFIG) include/config/auto.conf.cmd: ;
 610
 611 # If .config is newer than include/config/auto.conf, someone tinkered
 612 # with it and forgot to run make oldconfig.
 613 # if auto.conf.cmd is missing then we are probably in a cleaned tree so
 614 # we execute the config step to be sure to catch updated Kconfig files
 615 include/config/%.conf: $(KCONFIG_CONFIG) include/config/auto.conf.cmd
 616         $(Q)$(MAKE) -f $(srctree)/Makefile syncconfig
 617         @# If the following part fails, include/config/auto.conf should be
 618         @# deleted so "make silentoldconfig" will be re-run on the next build.
 619         $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.autoconf || \
 620                 { rm -f include/config/auto.conf; false; }
 621         @# include/config.h has been updated after "make silentoldconfig".
 622         @# We need to touch include/config/auto.conf so it gets newer
 623         @# than include/config.h.
 624         @# Otherwise, 'make silentoldconfig' would be invoked twice.
 625         $(Q)touch include/config/auto.conf
 626
 627 u-boot.cfg spl/u-boot.cfg tpl/u-boot.cfg vpl/u-boot.cfg:
 628         $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.autoconf $(@)
 629
 630 -include include/autoconf.mk
 631 -include include/autoconf.mk.dep
 632
 633 # We want to include arch/$(ARCH)/config.mk only when include/config/auto.conf
 634 # is up-to-date. When we switch to a different board configuration, old CONFIG
 635 # macros are still remaining in include/config/auto.conf. Without the following
 636 # gimmick, wrong config.mk would be included leading nasty warnings/errors.
 637 ifneq ($(wildcard $(KCONFIG_CONFIG)),)
 638 ifneq ($(wildcard include/config/auto.conf),)
 639 autoconf_is_old := $(shell find . -path ./$(KCONFIG_CONFIG) -newer \
 640                                                 include/config/auto.conf)
 641 ifeq ($(autoconf_is_old),)
 642 include config.mk
 643 include arch/$(ARCH)/Makefile
 644 endif
 645 endif
 646 endif
 647
 648 # These are set by the arch-specific config.mk. Make sure they are exported
 649 # so they can be used when building an EFI application.
 650 export EFI_LDS          # Filename of EFI link script in arch/$(ARCH)/lib
 651 export EFI_CRT0         # Filename of EFI CRT0 in arch/$(ARCH)/lib
 652 export EFI_RELOC        # Filename of EFU relocation code in arch/$(ARCH)/lib
 653 export CFLAGS_EFI       # Compiler flags to add when building EFI app
 654 export CFLAGS_NON_EFI   # Compiler flags to remove when building EFI app
 655 export EFI_TARGET       # binutils target if EFI is natively supported
 656
 657 export LTO_ENABLE
 658
 659 # This is y if LTO is enabled for this build. See NO_LTO=1 to disable LTO
 660 ifeq ($(NO_LTO),)
 661 LTO_ENABLE=$(if $(CONFIG_LTO),y)
 662 endif
 663
 664 # If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use
 665 # that (or fail if absent).  Otherwise, search for a linker script in a
 666 # standard location.
 667
 668 ifndef LDSCRIPT
 669         #LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds.debug
 670         ifdef CONFIG_SYS_LDSCRIPT
 671                 # need to strip off double quotes
 672                 LDSCRIPT := $(srctree)/$(CONFIG_SYS_LDSCRIPT:"%"=%)
 673         endif
 674 endif
 675
 676 # If there is no specified link script, we look in a number of places for it
 677 ifndef LDSCRIPT
 678         ifeq ($(wildcard $(LDSCRIPT)),)
 679                 LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds
 680         endif
 681         ifeq ($(wildcard $(LDSCRIPT)),)
 682                 LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot.lds
 683         endif
 684         ifeq ($(wildcard $(LDSCRIPT)),)
 685                 LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot.lds
 686         endif
 687 endif
 688
 689 else
 690 # Dummy target needed, because used as prerequisite
 691 include/config/auto.conf: ;
 692 endif # $(dot-config)
 693
 694 ifdef CONFIG_CC_OPTIMIZE_FOR_DEBUG
 695 KBUILD_HOSTCFLAGS   := -Wall -Wstrict-prototypes -Og -g -fomit-frame-pointer \
 696                 $(HOST_LFS_CFLAGS) $(HOSTCFLAGS)
 697 # Avoid false positives -Wmaybe-uninitialized
 698 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78394
 699 KBUILD_HOSTCFLAGS   += -Wno-maybe-uninitialized
 700 KBUILD_HOSTCXXFLAGS := -Og -g $(HOST_LFS_CFLAGS) $(HOSTCXXFLAGS)
 701 endif
 702
 703 #
 704 # Xtensa linker script cannot be preprocessed with -ansi because of
 705 # preprocessor operations on strings that don't make C identifiers.
 706 #
 707 ifeq ($(CONFIG_XTENSA),)
 708 LDPPFLAGS       += -ansi
 709 endif
 710
 711 ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
 712 KBUILD_CFLAGS   += -Os
 713 endif
 714
 715 ifdef CONFIG_CC_OPTIMIZE_FOR_SPEED
 716 KBUILD_CFLAGS   += -O2
 717 endif
 718
 719 ifdef CONFIG_CC_OPTIMIZE_FOR_DEBUG
 720 KBUILD_CFLAGS   += -Og
 721 # Avoid false positives -Wmaybe-uninitialized
 722 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78394
 723 KBUILD_CFLAGS   += -Wno-maybe-uninitialized
 724 endif
 725
 726 LTO_CFLAGS :=
 727 LTO_FINAL_LDFLAGS :=
 728 export LTO_CFLAGS LTO_FINAL_LDFLAGS
 729 ifeq ($(LTO_ENABLE),y)
 730         ifeq ($(cc-name),clang)
 731                 LTO_CFLAGS              += -DLTO_ENABLE -flto
 732                 LTO_FINAL_LDFLAGS       += -flto
 733
 734                 AR                      = $(shell $(CC) -print-prog-name=llvm-ar)
 735                 NM                      = $(shell $(CC) -print-prog-name=llvm-nm)
 736         else
 737                 NPROC                   := $(shell nproc 2>/dev/null || echo 1)
 738                 LTO_CFLAGS              += -DLTO_ENABLE -flto=$(NPROC)
 739                 LTO_FINAL_LDFLAGS       += -fuse-linker-plugin -flto=$(NPROC)
 740
 741                 # use plugin aware tools
 742                 AR                      = $(CROSS_COMPILE)gcc-ar
 743                 NM                      = $(CROSS_COMPILE)gcc-nm
 744         endif
 745
 746         CFLAGS_NON_EFI                  += $(LTO_CFLAGS)
 747
 748         KBUILD_CFLAGS                   += $(LTO_CFLAGS)
 749 endif
 750
 751 ifeq ($(CONFIG_STACKPROTECTOR),y)
 752 KBUILD_CFLAGS += $(call cc-option,-fstack-protector-strong)
 753 KBUILD_CFLAGS += $(call cc-option,-mstack-protector-guard=global)
 754 CFLAGS_EFI += $(call cc-option,-fno-stack-protector)
 755 else
 756 KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector)
 757 endif
 758 KBUILD_CFLAGS += $(call cc-option,-fno-delete-null-pointer-checks)
 759
 760 # disable pointer signed / unsigned warnings in gcc 4.0
 761 KBUILD_CFLAGS += -Wno-pointer-sign
 762
 763 # disable stringop warnings in gcc 8+
 764 KBUILD_CFLAGS += $(call cc-disable-warning, stringop-truncation)
 765
 766 KBUILD_CFLAGS += $(call cc-disable-warning, zero-length-bounds)
 767 KBUILD_CFLAGS += $(call cc-disable-warning, array-bounds)
 768 KBUILD_CFLAGS += $(call cc-disable-warning, stringop-overflow)
 769
 770 # Enabled with W=2, disabled by default as noisy
 771 KBUILD_CFLAGS += $(call cc-disable-warning, maybe-uninitialized)
 772
 773 # change __FILE__ to the relative path from the srctree
 774 KBUILD_CFLAGS   += $(call cc-option,-fmacro-prefix-map=$(srctree)/=)
 775
 776 KBUILD_CFLAGS   += -gdwarf-4
 777 # $(KBUILD_AFLAGS) sets -g, which causes gcc to pass a suitable -g<format>
 778 # option to the assembler.
 779 KBUILD_AFLAGS   += -gdwarf-4
 780
 781 # Report stack usage if supported
 782 # ARC tools based on GCC 7.1 has an issue with stack usage
 783 # with naked functions, see commit message for more details
 784 ifndef CONFIG_ARC
 785 ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-stack-usage.sh $(CC)),y)
 786         KBUILD_CFLAGS += -fstack-usage
 787 endif
 788 endif
 789
 790 KBUILD_CFLAGS += $(call cc-option,-Wno-format-nonliteral)
 791 KBUILD_CFLAGS += $(call cc-disable-warning, address-of-packed-member)
 792
 793 ifdef CONFIG_CC_IS_CLANG
 794 KBUILD_CPPFLAGS += $(call cc-option,-Qunused-arguments,)
 795 KBUILD_CFLAGS += $(call cc-disable-warning, format-invalid-specifier)
 796 KBUILD_CFLAGS += $(call cc-disable-warning, gnu)
 797 KBUILD_CFLAGS += $(call cc-disable-warning, address-of-packed-member)
 798 # Quiet clang warning: comparison of unsigned expression < 0 is always false
 799 KBUILD_CFLAGS += $(call cc-disable-warning, tautological-compare)
 800 # CLANG uses a _MergedGlobals as optimization, but this breaks modpost, as the
 801 # source of a reference will be _MergedGlobals and not on of the whitelisted names.
 802 # See modpost pattern 2
 803 KBUILD_CFLAGS += $(call cc-option, -mno-global-merge,)
 804 KBUILD_CFLAGS += $(call cc-option, -fcatch-undefined-behavior)
 805 KBUILD_CFLAGS += $(call cc-disable-warning, deprecated-non-prototype)
 806 endif
 807
 808 # These warnings generated too much noise in a regular build.
 809 # Use make W=1 to enable them (see scripts/Makefile.extrawarn)
 810 KBUILD_CFLAGS += $(call cc-disable-warning, unused-but-set-variable)
 811
 812 # Prohibit date/time macros, which would make the build non-deterministic
 813 KBUILD_CFLAGS   += $(call cc-option,-Werror=date-time)
 814
 815 include scripts/Makefile.extrawarn
 816
 817 # Add user supplied CPPFLAGS, AFLAGS and CFLAGS as the last assignments
 818 KBUILD_CPPFLAGS += $(KCPPFLAGS)
 819 KBUILD_AFLAGS += $(KAFLAGS)
 820 KBUILD_CFLAGS += $(KCFLAGS)
 821
 822 KBUILD_LDFLAGS  += -z noexecstack
 823 KBUILD_LDFLAGS  += $(call ld-option,--no-warn-rwx-segments)
 824
 825 KBUILD_HOSTCFLAGS += $(if $(CONFIG_TOOLS_DEBUG),-g)
 826
 827 # Use UBOOTINCLUDE when you must reference the include/ directory.
 828 # Needed to be compatible with the O= option
 829 UBOOTINCLUDE    := \
 830         -Iinclude \
 831         $(if $(KBUILD_SRC), -I$(srctree)/include) \
 832         $(if $(CONFIG_MBEDTLS_LIB), \
 833                 "-DMBEDTLS_CONFIG_FILE=\"mbedtls_def_config.h\"" \
 834                 -I$(srctree)/lib/mbedtls \
 835                 -I$(srctree)/lib/mbedtls/port \
 836                 -I$(srctree)/lib/mbedtls/external/mbedtls \
 837                 -I$(srctree)/lib/mbedtls/external/mbedtls/include) \
 838         $(if $(CONFIG_$(XPL_)SYS_THUMB_BUILD), \
 839                 $(if $(CONFIG_HAS_THUMB2), \
 840                         $(if $(CONFIG_CPU_V7M), \
 841                                 -I$(srctree)/arch/arm/thumb1/include), \
 842                         -I$(srctree)/arch/arm/thumb1/include)) \
 843         -I$(srctree)/arch/$(ARCH)/include \
 844         -include $(srctree)/include/linux/kconfig.h \
 845         -I$(srctree)/dts/upstream/include \
 846         $(if $(CONFIG_NET_LWIP), -I$(srctree)/lib/lwip/lwip/src/include \
 847                 -I$(srctree)/lib/lwip/u-boot)
 848
 849 NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include)
 850
 851 # FIX ME
 852 cpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \
 853                                                         $(NOSTDINC_FLAGS)
 854 c_flags := $(KBUILD_CFLAGS) $(cpp_flags)
 855
 856 #########################################################################
 857 # U-Boot objects....order is important (i.e. start must be first)
 858
 859 HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n)
 860
 861 libs-$(CONFIG_API) += api/
 862 libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/
 863 libs-y += boot/
 864 libs-$(CONFIG_CMDLINE) += cmd/
 865 libs-y += common/
 866 libs-$(CONFIG_OF_EMBED) += dts/
 867 libs-y += env/
 868 libs-y += lib/
 869 libs-y += fs/
 870 libs-$(filter y,$(CONFIG_NET) $(CONFIG_NET_LWIP)) += net/
 871 libs-y += disk/
 872 libs-y += drivers/
 873 libs-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/
 874 libs-$(CONFIG_SYS_FSL_MMDC) += drivers/ddr/fsl/
 875 libs-$(CONFIG_$(XPL_)ALTERA_SDRAM) += drivers/ddr/altera/
 876 libs-y += drivers/usb/cdns3/
 877 libs-y += drivers/usb/dwc3/
 878 libs-y += drivers/usb/common/
 879 libs-y += drivers/usb/emul/
 880 libs-y += drivers/usb/eth/
 881 libs-$(CONFIG_USB_DEVICE) += drivers/usb/gadget/
 882 libs-$(CONFIG_USB_GADGET) += drivers/usb/gadget/
 883 libs-$(CONFIG_USB_GADGET) += drivers/usb/gadget/udc/
 884 libs-y += drivers/usb/host/
 885 libs-y += drivers/usb/mtu3/
 886 libs-y += drivers/usb/musb/
 887 libs-y += drivers/usb/musb-new/
 888 libs-y += drivers/usb/isp1760/
 889 libs-y += drivers/usb/phy/
 890 libs-y += drivers/usb/tcpm/
 891 libs-y += drivers/usb/ulpi/
 892 ifdef CONFIG_POST
 893 libs-y += post/
 894 endif
 895 libs-$(CONFIG_$(PHASE_)UNIT_TEST) += test/
 896 libs-$(CONFIG_UT_ENV) += test/env/
 897 libs-$(CONFIG_UT_OPTEE) += test/optee/
 898 libs-$(CONFIG_UT_OVERLAY) += test/overlay/
 899
 900 libs-y += $(if $(wildcard $(srctree)/board/$(BOARDDIR)/Makefile),board/$(BOARDDIR)/)
 901
 902 libs-y := $(sort $(libs-y))
 903
 904 u-boot-dirs     := $(patsubst %/,%,$(filter %/, $(libs-y))) tools examples
 905
 906 u-boot-alldirs  := $(sort $(u-boot-dirs) $(patsubst %/,%,$(filter %/, $(libs-))))
 907
 908 libs-y          := $(patsubst %/, %/built-in.o, $(libs-y))
 909
 910 u-boot-init := $(head-y)
 911 u-boot-main := $(libs-y)
 912
 913
 914 # Add GCC lib
 915 ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y)
 916 PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a
 917 else
 918 ifndef CONFIG_CC_IS_CLANG
 919 PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(c_flags) -print-libgcc-file-name`) -lgcc
 920 endif
 921 endif
 922 PLATFORM_LIBS += $(PLATFORM_LIBGCC)
 923
 924 ifdef CONFIG_CC_COVERAGE
 925 KBUILD_CFLAGS += --coverage
 926 PLATFORM_LIBGCC += -lgcov
 927 endif
 928
 929 export PLATFORM_LIBS
 930 export PLATFORM_LIBGCC
 931
 932 # Special flags for CPP when processing the linker script.
 933 # Pass the version down so we can handle backwards compatibility
 934 # on the fly.
 935 LDPPFLAGS += \
 936         -include $(srctree)/include/u-boot/u-boot.lds.h \
 937         -DCPUDIR=$(CPUDIR) \
 938         $(shell $(LD) --version | \
 939           sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
 940
 941 #########################################################################
 942 #########################################################################
 943
 944 ifneq ($(CONFIG_BOARD_SIZE_LIMIT),)
 945 BOARD_SIZE_CHECK= @ $(call size_check,$@,$(CONFIG_BOARD_SIZE_LIMIT))
 946 else
 947 BOARD_SIZE_CHECK =
 948 endif
 949
 950 ifneq ($(CONFIG_SPL_SIZE_LIMIT),0x0)
 951 SPL_SIZE_CHECK = @$(call size_check,$@,$$(tools/spl_size_limit))
 952 else
 953 SPL_SIZE_CHECK =
 954 endif
 955
 956 ifneq ($(CONFIG_TPL_SIZE_LIMIT),0x0)
 957 TPL_SIZE_CHECK = @$(call size_check,$@,$(CONFIG_TPL_SIZE_LIMIT))
 958 else
 959 TPL_SIZE_CHECK =
 960 endif
 961
 962 ifneq ($(CONFIG_VPL_SIZE_LIMIT),0x0)
 963 VPL_SIZE_CHECK = @$(call size_check,$@,$(CONFIG_VPL_SIZE_LIMIT))
 964 else
 965 VPL_SIZE_CHECK =
 966 endif
 967
 968 # Statically apply RELA-style relocations (currently arm64 only)
 969 # This is useful for arm64 where static relocation needs to be performed on
 970 # the raw binary, but certain simulators only accept an ELF file (but don't
 971 # do the relocation).
 972 ifneq ($(CONFIG_STATIC_RELA),)
 973 # $(2) is u-boot ELF, $(3) is u-boot bin, $(4) is text base
 974 quiet_cmd_static_rela = RELOC   $@
 975 cmd_static_rela = \
 976         tools/relocate-rela $(3) $(2)
 977 else
 978 quiet_cmd_static_rela =
 979 cmd_static_rela =
 980 endif
 981
 982 # Always append INPUTS so that arch config.mk's can add custom ones
 983 INPUTS-y += u-boot.srec u-boot.bin u-boot.sym System.map binary_size_check
 984
 985 ifeq ($(CONFIG_SPL_FSL_PBL),y)
 986 INPUTS-$(CONFIG_RAMBOOT_PBL) += u-boot-with-spl-pbl.bin
 987 else
 988 ifneq ($(CONFIG_NXP_ESBC), y)
 989 # For Secure Boot The Image needs to be signed and Header must also
 990 # be included. So The image has to be built explicitly
 991 INPUTS-$(CONFIG_RAMBOOT_PBL) += u-boot.pbl
 992 endif
 993 endif
 994 INPUTS-$(CONFIG_SPL) += spl/u-boot-spl.bin
 995 ifeq ($(CONFIG_MX6)$(CONFIG_IMX_HAB), yy)
 996 INPUTS-$(CONFIG_SPL_FRAMEWORK) += u-boot-ivt.img
 997 else
 998 ifeq ($(CONFIG_MX7)$(CONFIG_IMX_HAB), yy)
 999 INPUTS-$(CONFIG_SPL_FRAMEWORK) += u-boot-ivt.img
1000 else
1001 INPUTS-$(CONFIG_SPL_FRAMEWORK) += u-boot.img
1002 endif
1003 endif
1004 INPUTS-$(CONFIG_TPL) += tpl/u-boot-tpl.bin
1005 INPUTS-$(CONFIG_VPL) += vpl/u-boot-vpl.bin
1006
1007 # Allow omitting the .dtb output if it is not normally used
1008 INPUTS-$(CONFIG_OF_SEPARATE) += $(if $(CONFIG_OF_OMIT_DTB),dts/dt.dtb,u-boot.dtb)
1009 ifeq ($(CONFIG_SPL_FRAMEWORK),y)
1010 INPUTS-$(CONFIG_OF_SEPARATE) += u-boot-dtb.img
1011 endif
1012 INPUTS-$(CONFIG_SANDBOX) += u-boot.dtb
1013 ifneq ($(CONFIG_SPL_TARGET),)
1014 INPUTS-$(CONFIG_SPL) += $(CONFIG_SPL_TARGET:"%"=%)
1015 endif
1016 INPUTS-$(CONFIG_REMAKE_ELF) += u-boot.elf
1017 INPUTS-$(CONFIG_EFI_APP) += u-boot-app.efi
1018 INPUTS-$(CONFIG_EFI_STUB) += u-boot-payload.efi
1019
1020 # Generate this input file for binman
1021 ifeq ($(CONFIG_SPL),)
1022 INPUTS-$(CONFIG_ARCH_MEDIATEK) += u-boot-mtk.bin
1023 endif
1024
1025 # Add optional build target if defined in board/cpu/soc headers
1026 ifneq ($(CONFIG_BUILD_TARGET),)
1027 INPUTS-y += $(CONFIG_BUILD_TARGET:"%"=%)
1028 endif
1029
1030 ifeq ($(CONFIG_INIT_SP_RELATIVE)$(CONFIG_OF_SEPARATE),yy)
1031 INPUTS-y += init_sp_bss_offset_check
1032 endif
1033
1034 ifeq ($(CONFIG_ARCH_ROCKCHIP)_$(CONFIG_SPL_FRAMEWORK),y_)
1035 INPUTS-y += u-boot.img
1036 endif
1037
1038 INPUTS-$(CONFIG_X86) += u-boot-x86-start16.bin u-boot-x86-reset16.bin \
1039         $(if $(CONFIG_SPL_X86_16BIT_INIT),spl/u-boot-spl.bin) \
1040         $(if $(CONFIG_TPL_X86_16BIT_INIT),tpl/u-boot-tpl.bin)
1041
1042 LDFLAGS_u-boot += $(LDFLAGS_FINAL)
1043
1044 # Avoid 'Not enough room for program headers' error on binutils 2.28 onwards.
1045 LDFLAGS_u-boot += $(call ld-option, --no-dynamic-linker)
1046
1047 # ld.lld support
1048 LDFLAGS_u-boot += -z notext $(call ld-option,--apply-dynamic-relocs)
1049
1050 LDFLAGS_u-boot += --build-id=none
1051
1052 ifeq ($(CONFIG_ARC)$(CONFIG_NIOS2)$(CONFIG_X86)$(CONFIG_XTENSA),)
1053 LDFLAGS_u-boot += -Ttext $(CONFIG_TEXT_BASE)
1054 endif
1055
1056 # make the checker run with the right architecture
1057 CHECKFLAGS += --arch=$(ARCH)
1058
1059 # insure the checker run with the right endianness
1060 CHECKFLAGS += $(if $(CONFIG_SYS_BIG_ENDIAN),-mbig-endian,-mlittle-endian)
1061
1062 # the checker needs the correct machine size
1063 CHECKFLAGS += $(if $(CONFIG_64BIT),-m64,-m32)
1064
1065 # Normally we fill empty space with 0xff
1066 quiet_cmd_objcopy = OBJCOPY $@
1067 cmd_objcopy = $(OBJCOPY) --gap-fill=0xff $(OBJCOPYFLAGS) \
1068         $(OBJCOPYFLAGS_$(@F)) $< $@
1069
1070 # Provide a version which does not do this, for use by EFI
1071 quiet_cmd_zobjcopy = OBJCOPY $@
1072 cmd_zobjcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@
1073
1074 quiet_cmd_efipayload = OBJCOPY $@
1075 cmd_efipayload = $(OBJCOPY) -I binary -O $(EFIPAYLOAD_BFDTARGET) -B $(EFIPAYLOAD_BFDARCH) $< $@
1076
1077 MKIMAGEOUTPUT ?= /dev/null
1078
1079 quiet_cmd_mkimage = MKIMAGE $@
1080 cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \
1081         >$(MKIMAGEOUTPUT) $(if $(KBUILD_VERBOSE:0=), && cat $(MKIMAGEOUTPUT))
1082
1083 quiet_cmd_mkfitimage = MKIMAGE $@
1084 cmd_mkfitimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) \
1085         -f $(U_BOOT_ITS) -p $(CONFIG_FIT_EXTERNAL_OFFSET) $@ \
1086         >$(MKIMAGEOUTPUT) $(if $(KBUILD_VERBOSE:0=), && cat $(MKIMAGEOUTPUT))
1087
1088 quiet_cmd_cat = CAT     $@
1089 cmd_cat = cat $(filter-out $(PHONY), $^) > $@
1090
1091 append = cat $(filter-out $< $(PHONY), $^) >> $@
1092
1093 quiet_cmd_pad_cat = CAT     $@
1094 cmd_pad_cat = $(cmd_objcopy) && $(append) || { rm -f $@; false; }
1095
1096 quiet_cmd_lzma = LZMA    $@
1097 cmd_lzma = lzma -c -z -k -9 $< > $@
1098
1099 cfg: u-boot.cfg
1100
1101 quiet_cmd_ofcheck = OFCHK   $2
1102 cmd_ofcheck = $(srctree)/scripts/check-of.sh $2 \
1103                 $(srctree)/scripts/of_allowlist.txt
1104
1105 # Concat the value of all the CONFIGs (result is 'y' or 'yy', etc. )
1106 got = $(foreach cfg,$(1),$($(cfg)))
1107
1108 # expected value 'y for each one
1109 expect = $(foreach cfg,$(1),y)
1110
1111 # Show a deprecation message
1112 # Args:
1113 # 1: List of options to migrate to (e.g. "CONFIG_DM_MMC CONFIG_BLK")
1114 # 2: Name of component (e.g . "Ethernet drivers")
1115 # 3: Release deadline (e.g. "v202.07")
1116 # 4: Condition to require before checking (e.g. "$(CONFIG_NET)")
1117 # Note: Script avoids bash construct, hence the strange double 'if'
1118 # (patches welcome!)
1119 define deprecated
1120         @if [ -n "$(strip $(4))" ]; then if [ "$(got)" != "$(expect)" ]; then \
1121                 echo >&2 "===================== WARNING ======================"; \
1122                 echo >&2 "This board does not use $(firstword $(1)) (Driver Model"; \
1123                 echo >&2 "for $(2)). Please update the board to use"; \
1124                 echo >&2 "$(firstword $(1)) before the $(3) release. Failure to"; \
1125                 echo >&2 "update by the deadline may result in board removal."; \
1126                 echo >&2 "See doc/develop/driver-model/migration.rst for more info."; \
1127                 echo >&2 "===================================================="; \
1128         fi; fi
1129
1130 endef
1131
1132 # Timestamp file to make sure that binman always runs
1133 .binman_stamp: $(INPUTS-y) FORCE
1134 ifeq ($(CONFIG_BINMAN),y)
1135         $(call if_changed,binman)
1136 endif
1137         @touch $@
1138
1139 all: .binman_stamp
1140
1141 ifeq ($(CONFIG_DEPRECATED),y)
1142         $(warning "You have deprecated configuration options enabled in your .config! Please check your configuration.")
1143 endif
1144 ifeq ($(CONFIG_OF_EMBED)$(CONFIG_EFI_APP),y)
1145         @echo >&2 "===================== WARNING ======================"
1146         @echo >&2 "CONFIG_OF_EMBED is enabled. This option should only"
1147         @echo >&2 "be used for debugging purposes. Please use"
1148         @echo >&2 "CONFIG_OF_SEPARATE for boards in mainline."
1149         @echo >&2 "See doc/develop/devicetree/control.rst for more info."
1150         @echo >&2 "===================================================="
1151 endif
1152         $(call deprecated,CONFIG_WDT,DM watchdog,v2019.10,\
1153                 $(CONFIG_WATCHDOG)$(CONFIG_HW_WATCHDOG))
1154         $(call deprecated,CONFIG_DM_I2C,I2C drivers,v2022.04,$(CONFIG_SYS_I2C_LEGACY))
1155         @# CFG_SYS_TIMER_RATE has brackets in it for some boards which
1156         @# confuses this rule. Use if() to send just a single character which
1157         @# is enable to tell 'deprecated' that one of these symbols exists
1158         $(call deprecated,CONFIG_TIMER,Timer drivers,v2023.01,$(if $(strip $(CFG_SYS_TIMER_RATE)$(CFG_SYS_TIMER_COUNTER)),x))
1159         $(call deprecated,CONFIG_DM_SERIAL,Serial drivers,v2023.04,$(CONFIG_SERIAL))
1160         @# Check that this build does not override OF_HAS_PRIOR_STAGE by
1161         @# disabling OF_BOARD.
1162         $(call cmd,ofcheck,$(KCONFIG_CONFIG))
1163
1164 PHONY += dtbs dtbs_check
1165 dtbs: dts/dt.dtb
1166         @:
1167 dts/dt.dtb: dtbs_prepare u-boot
1168         $(Q)$(MAKE) $(build)=dts dtbs
1169
1170 dtbs_prepare: prepare3
1171
1172 ifneq ($(filter dtbs_check, $(MAKECMDGOALS)),)
1173 export CHECK_DTBS=y
1174 endif
1175
1176 ifneq ($(CHECK_DTBS),)
1177 dtbs_prepare: dt_binding_check
1178 endif
1179
1180 dtbs_check: dt_binding_check dtbs
1181
1182 DT_BINDING_DIR := dts/upstream/Bindings
1183 dt_binding_check: scripts_dtc
1184         $(Q)$(MAKE) $(build)=$(DT_BINDING_DIR) $(DT_BINDING_DIR)/processed-schema.json
1185
1186 quiet_cmd_copy = COPY    $@
1187       cmd_copy = cp $< $@
1188
1189 ifeq ($(CONFIG_OF_UPSTREAM),y)
1190 ifeq ($(CONFIG_ARM64),y)
1191 dt_dir := dts/upstream/src/arm64
1192 else
1193 dt_dir := dts/upstream/src/$(ARCH)
1194 endif
1195 else
1196 dt_dir := arch/$(ARCH)/dts
1197 endif
1198
1199 ifeq ($(CONFIG_MULTI_DTB_FIT),y)
1200
1201 ifeq ($(CONFIG_MULTI_DTB_FIT_LZO),y)
1202 FINAL_DTB_CONTAINER = fit-dtb.blob.lzo
1203 else ifeq ($(CONFIG_MULTI_DTB_FIT_GZIP),y)
1204 FINAL_DTB_CONTAINER = fit-dtb.blob.gz
1205 else
1206 FINAL_DTB_CONTAINER = fit-dtb.blob
1207 endif
1208
1209 fit-dtb.blob.gz: fit-dtb.blob
1210         @gzip -kf9 $< > $@
1211
1212 fit-dtb.blob.lzo: fit-dtb.blob
1213         @lzop -f9 $< > $@
1214
1215 fit-dtb.blob: dts/dt.dtb FORCE
1216         $(call if_changed,mkimage)
1217 ifneq ($(SOURCE_DATE_EPOCH),)
1218         touch -d @$(SOURCE_DATE_EPOCH) fit-dtb.blob
1219         chmod 0600 fit-dtb.blob
1220 endif
1221
1222 MKIMAGEFLAGS_fit-dtb.blob = -f auto -A $(ARCH) -T firmware -C none -O u-boot \
1223         -a 0 -e 0 -E \
1224         $(patsubst %,-b $(dt_dir)/%.dtb,$(subst ",,$(CONFIG_OF_LIST))) -d /dev/null
1225
1226 MKIMAGEFLAGS_fit-dtb.blob += -B 0x8
1227
1228 ifneq ($(EXT_DTB),)
1229 u-boot-fit-dtb.bin: u-boot-nodtb.bin $(EXT_DTB)
1230                 $(call if_changed,cat)
1231 else
1232 u-boot-fit-dtb.bin: u-boot-nodtb.bin $(FINAL_DTB_CONTAINER)
1233         $(call if_changed,cat)
1234 endif
1235
1236 u-boot.bin: u-boot-fit-dtb.bin FORCE
1237         $(call if_changed,copy)
1238
1239 ifneq ($(CONFIG_MPC85XX_HAVE_RESET_VECTOR)$(CONFIG_OF_SEPARATE),yy)
1240 u-boot-dtb.bin: u-boot-nodtb.bin dts/dt.dtb FORCE
1241         $(call if_changed,cat)
1242 endif
1243
1244 else ifeq ($(CONFIG_OF_SEPARATE).$(CONFIG_OF_OMIT_DTB),y.)
1245
1246 ifneq ($(CONFIG_MPC85XX_HAVE_RESET_VECTOR)$(CONFIG_OF_SEPARATE),yy)
1247 u-boot-dtb.bin: u-boot-nodtb.bin dts/dt.dtb FORCE
1248         $(call if_changed,cat)
1249 endif
1250
1251 u-boot.bin: u-boot-dtb.bin FORCE
1252         $(call if_changed,copy)
1253
1254 else
1255 u-boot.bin: u-boot-nodtb.bin FORCE
1256         $(call if_changed,copy)
1257 endif
1258
1259 # we call Makefile in arch/arm/mach-imx which
1260 # has targets which are dependent on targets defined
1261 # here. make could not resolve them and we must ensure
1262 # that they are finished before calling imx targets
1263 ifeq ($(CONFIG_MULTI_DTB_FIT),y)
1264 IMX_DEPS = u-boot-fit-dtb.bin
1265 endif
1266
1267 %.imx: $(IMX_DEPS) %.bin
1268         $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
1269         $(BOARD_SIZE_CHECK)
1270
1271 %.vyb: %.imx
1272         $(Q)$(MAKE) $(build)=arch/arm/cpu/armv7/vf610 $@
1273
1274 quiet_cmd_copy = COPY    $@
1275       cmd_copy = cp $< $@
1276
1277 u-boot.dtb: dts/dt.dtb
1278         $(call cmd,copy)
1279
1280 OBJCOPYFLAGS_u-boot.hex := -O ihex
1281
1282 OBJCOPYFLAGS_u-boot.srec := -O srec
1283
1284 u-boot.hex u-boot.srec: u-boot FORCE
1285         $(call if_changed,objcopy)
1286
1287 OBJCOPYFLAGS_u-boot-elf.srec := $(OBJCOPYFLAGS_u-boot.srec)
1288
1289 ifeq ($(CONFIG_POSITION_INDEPENDENT)$(CONFIG_RCAR_GEN3),yy)
1290 # The flash_writer tool and previous recovery tools
1291 # require the SREC load address to be 0x5000_0000 .
1292 # The PIE U-Boot build sets the address to 0x0, so
1293 # override the address back to make u-boot-elf.srec
1294 # compatible with the recovery tools.
1295 OBJCOPYFLAGS_u-boot-elf.srec += --change-addresses=0x50000000
1296 endif
1297
1298 u-boot-elf.srec: u-boot.elf FORCE
1299         $(call if_changed,objcopy)
1300
1301 OBJCOPYFLAGS_u-boot-spl.srec = $(OBJCOPYFLAGS_u-boot.srec)
1302
1303 spl/u-boot-spl.srec: spl/u-boot-spl FORCE
1304         $(call if_changed,objcopy)
1305
1306 %.scif: %.srec
1307         $(Q)$(MAKE) $(build)=arch/arm/mach-renesas $@
1308
1309 OBJCOPYFLAGS_u-boot-nodtb.bin := -O binary \
1310                 $(if $(CONFIG_X86_16BIT_INIT),-R .start16 -R .resetvec) \
1311                 $(if $(CONFIG_MPC85XX_HAVE_RESET_VECTOR),$(if $(CONFIG_OF_SEPARATE),-R .bootpg -R .resetvec))
1312
1313 binary_size_check: u-boot-nodtb.bin FORCE
1314         @file_size=$(shell wc -c u-boot-nodtb.bin | awk '{ print $$1 }') ; \
1315         map_size=$(shell cat u-boot.map | \
1316                 awk ' \
1317                         /_image_copy_start/ { start = $$1 } \
1318                         /_image_binary_end/ { end = $$1 } \
1319                         END { \
1320                                 if (start != "" && end != "") \
1321                                         print end " " start; \
1322                         }' \
1323                 | sh -c 'read end start && echo $$((end - start))'); \
1324         if [ -n "$$map_size" ]; then \
1325                 if test $$map_size -ne $$file_size; then \
1326                         echo "u-boot.map shows a binary size of $$map_size" >&2 ; \
1327                         echo "  but u-boot-nodtb.bin shows $$file_size" >&2 ; \
1328                         exit 1; \
1329                 fi; \
1330         fi
1331
1332 ifeq ($(CONFIG_INIT_SP_RELATIVE)$(CONFIG_OF_SEPARATE),yy)
1333 ifneq ($(CONFIG_SYS_MALLOC_F),)
1334 subtract_sys_malloc_f_len = space=$$(($${space} - $(CONFIG_SYS_MALLOC_F_LEN)))
1335 else
1336 subtract_sys_malloc_f_len = true
1337 endif
1338 # The 1/4 margin below is somewhat arbitrary. The likely initial SP usage is
1339 # so low that the DTB could probably use 90%+ of the available space, for
1340 # current values of CONFIG_SYS_INIT_SP_BSS_OFFSET at least. However, let's be
1341 # safe for now and tweak this later if space becomes tight.
1342 # A rejected alternative would be to check that some absolute minimum stack
1343 # space was available. However, since CONFIG_SYS_INIT_SP_BSS_OFFSET is
1344 # deliberately build-specific, to take account of build-to-build stack usage
1345 # differences due to different feature sets, there is no common absolute value
1346 # to check against.
1347 init_sp_bss_offset_check: u-boot.dtb FORCE
1348         @dtb_size=$(shell wc -c u-boot.dtb | awk '{print $$1}') ; \
1349         space=$(CONFIG_SYS_INIT_SP_BSS_OFFSET) ; \
1350         $(subtract_sys_malloc_f_len) ; \
1351         quarter_space=$$(($${space} / 4)) ; \
1352         if [ $${dtb_size} -gt $${quarter_space} ]; then \
1353                 echo "u-boot.dtb is larger than 1 quarter of " >&2 ; \
1354                 echo "(CONFIG_SYS_INIT_SP_BSS_OFFSET - CONFIG_SYS_MALLOC_F_LEN)" >&2 ; \
1355                 exit 1 ; \
1356         fi
1357 endif
1358
1359 shell_cmd = { $(call echo-cmd,$(1)) $(cmd_$(1)); }
1360
1361 quiet_cmd_objcopy_uboot = OBJCOPY $@
1362 ifdef cmd_static_rela
1363 cmd_objcopy_uboot = $(cmd_objcopy) && $(call shell_cmd,static_rela,$<,$@,$(CONFIG_TEXT_BASE)) || { rm -f $@; false; }
1364 else
1365 cmd_objcopy_uboot = $(cmd_objcopy)
1366 endif
1367
1368 u-boot-nodtb.bin: u-boot FORCE
1369         $(call if_changed,objcopy_uboot)
1370         $(BOARD_SIZE_CHECK)
1371
1372 u-boot.ldr:     u-boot
1373                 $(CREATE_LDR_ENV)
1374                 $(LDR) -T $(CONFIG_LDR_CPU) -c $@ $< $(LDR_FLAGS)
1375                 $(BOARD_SIZE_CHECK)
1376
1377 # binman
1378 # ---------------------------------------------------------------------------
1379 # Use 'make BINMAN_DEBUG=1' to enable debugging
1380 # Use 'make BINMAN_VERBOSE=3' to set vebosity level
1381
1382 ifneq ($(EXT_DTB),)
1383 ext_dtb_list := $(basename $(notdir $(EXT_DTB)))
1384 default_dt := $(firstword $(ext_dtb_list))
1385 of_list := "$(ext_dtb_list)"
1386 of_list_dirs := $(dir $(EXT_DTB))
1387 else
1388 of_list := $(CONFIG_OF_LIST)
1389 ifneq ($(CONFIG_OF_UPSTREAM_INCLUDE_LOCAL_FALLBACK_DTBOS),)
1390 of_list_dirs := $(dt_dir) arch/$(ARCH)/dts
1391 else
1392 of_list_dirs := $(dt_dir)
1393 endif
1394 default_dt := $(if $(DEVICE_TREE),$(DEVICE_TREE),$(CONFIG_DEFAULT_DEVICE_TREE))
1395 endif
1396
1397 binman_dtb := $(shell echo $(CONFIG_BINMAN_DTB))
1398 ifeq ($(strip $(binman_dtb)),)
1399 ifeq ($(CONFIG_OF_EMBED),y)
1400 binman_dtb = ./dts/dt.dtb
1401 else
1402 binman_dtb = ./u-boot.dtb
1403 endif
1404 endif
1405
1406 quiet_cmd_binman = BINMAN  $@
1407 cmd_binman = $(srctree)/tools/binman/binman $(if $(BINMAN_DEBUG),-D) \
1408                 $(foreach f,$(BINMAN_TOOLPATHS),--toolpath $(f)) \
1409                 --toolpath $(objtree)/tools \
1410                 $(if $(BINMAN_VERBOSE),-v$(BINMAN_VERBOSE)) \
1411                 build -u -d $(binman_dtb) -O . -m \
1412                 --allow-missing --fake-ext-blobs \
1413                 $(if $(BINMAN_ALLOW_MISSING),--ignore-missing) \
1414                 -I . -I $(srctree) -I $(srctree)/board/$(BOARDDIR) \
1415                 $(foreach f,$(of_list_dirs),-I $(f)) -a of-list=$(of_list) \
1416                 $(foreach f,$(BINMAN_INDIRS),-I $(f)) \
1417                 -a atf-bl31-path=${BL31} \
1418                 -a tee-os-path=${TEE} \
1419                 -a ti-dm-path=${TI_DM} \
1420                 -a opensbi-path=${OPENSBI} \
1421                 -a default-dt=$(default_dt) \
1422                 -a scp-path=$(SCP) \
1423                 -a rockchip-tpl-path=$(ROCKCHIP_TPL) \
1424                 -a spl-bss-pad=$(if $(CONFIG_SPL_SEPARATE_BSS),,1) \
1425                 -a tpl-bss-pad=$(if $(CONFIG_TPL_SEPARATE_BSS),,1) \
1426                 -a vpl-bss-pad=$(if $(CONFIG_VPL_SEPARATE_BSS),,1) \
1427                 -a spl-dtb=$(CONFIG_SPL_OF_REAL) \
1428                 -a tpl-dtb=$(CONFIG_TPL_OF_REAL) \
1429                 -a vpl-dtb=$(CONFIG_VPL_OF_REAL) \
1430                 -a pre-load-key-path=${PRE_LOAD_KEY_PATH} \
1431                 -a of-spl-remove-props=$(CONFIG_OF_SPL_REMOVE_PROPS) \
1432                 $(BINMAN_$(@F))
1433
1434 OBJCOPYFLAGS_u-boot.ldr.hex := -I binary -O ihex
1435
1436 OBJCOPYFLAGS_u-boot.ldr.srec := -I binary -O srec
1437
1438 u-boot.ldr.hex u-boot.ldr.srec: u-boot.ldr FORCE
1439         $(call if_changed,objcopy)
1440
1441 ifdef CONFIG_SPL_LOAD_FIT
1442 MKIMAGEFLAGS_u-boot.img = -f auto -A $(ARCH) -T firmware -C none -O u-boot \
1443         -a $(CONFIG_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \
1444         -p $(CONFIG_FIT_EXTERNAL_OFFSET) \
1445         -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board" -E \
1446         $(patsubst %,-b $(dt_dir)/%.dtb,$(subst ",,$(DEVICE_TREE))) \
1447         $(patsubst %,-b $(dt_dir)/%.dtb,$(subst ",,$(CONFIG_OF_LIST))) \
1448         $(patsubst %,-b $(dt_dir)/%.dtbo,$(subst ",,$(CONFIG_OF_OVERLAY_LIST)))
1449 else
1450 MKIMAGEFLAGS_u-boot.img = -A $(ARCH) -T firmware -C none -O u-boot \
1451         -a $(CONFIG_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \
1452         -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board"
1453 MKIMAGEFLAGS_u-boot-ivt.img = -A $(ARCH) -T firmware_ivt -C none -O u-boot \
1454         -a $(CONFIG_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \
1455         -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board"
1456 u-boot-ivt.img: MKIMAGEOUTPUT = u-boot-ivt.img.log
1457 endif
1458
1459 MKIMAGEFLAGS_u-boot-dtb.img = $(MKIMAGEFLAGS_u-boot.img)
1460
1461 # Some boards have the kwbimage.cfg file written in advance, while some
1462 # other boards generate it on the fly during the build in the build tree.
1463 # Let's check if the file exists in the build tree first, otherwise we
1464 # fall back to use the one in the source tree.
1465 KWD_CONFIG_FILE = $(shell \
1466         if [ -f $(objtree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%) ]; then \
1467                 echo -n $(objtree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%); \
1468         else \
1469                 echo -n $(srctree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%); \
1470         fi)
1471
1472 MKIMAGEFLAGS_u-boot.kwb = -n $(KWD_CONFIG_FILE) \
1473         -T kwbimage -a $(CONFIG_TEXT_BASE) -e $(CONFIG_TEXT_BASE)
1474
1475 MKIMAGEFLAGS_u-boot-with-spl.kwb = -n $(KWD_CONFIG_FILE) \
1476         -T kwbimage -a $(CONFIG_TEXT_BASE) -e $(CONFIG_TEXT_BASE) \
1477         $(if $(KEYDIR),-k $(KEYDIR))
1478
1479 MKIMAGEFLAGS_u-boot.pbl = -n $(srctree)/$(CONFIG_SYS_FSL_PBL_RCW:"%"=%) \
1480                 -R $(srctree)/$(CONFIG_SYS_FSL_PBL_PBI:"%"=%) -A $(ARCH) -T pblimage
1481
1482 UBOOT_BIN := u-boot.bin
1483
1484 MKIMAGEFLAGS_u-boot-lzma.img = -A $(ARCH) -T standalone -C lzma -O u-boot \
1485         -a $(CONFIG_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \
1486         -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board"
1487
1488 u-boot.bin.lzma: u-boot.bin FORCE
1489         $(call if_changed,lzma)
1490
1491 u-boot-lzma.img: u-boot.bin.lzma FORCE
1492         $(call if_changed,mkimage)
1493
1494 fit_image := $(if $(CONFIG_SANDBOX_VPL),u-boot,u-boot-nodtb.bin)
1495
1496 u-boot-dtb.img u-boot.img u-boot.kwb u-boot.pbl u-boot-ivt.img: \
1497                 $(if $(CONFIG_SPL_LOAD_FIT),$(fit_image) \
1498                         $(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_SANDBOX),dts/dt.dtb) \
1499                 ,$(UBOOT_BIN)) FORCE
1500         $(call if_changed,mkimage)
1501         $(BOARD_SIZE_CHECK)
1502
1503 ifeq ($(CONFIG_SPL_LOAD_FIT_FULL),y)
1504 MKIMAGEFLAGS_u-boot.itb =
1505 else
1506 MKIMAGEFLAGS_u-boot.itb = -E
1507 endif
1508 MKIMAGEFLAGS_u-boot.itb += -B 0x8
1509
1510 ifdef U_BOOT_ITS
1511 u-boot.itb: u-boot-nodtb.bin \
1512                 $(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_SANDBOX),dts/dt.dtb) \
1513                 $(if $(CONFIG_MULTI_DTB_FIT),$(FINAL_DTB_CONTAINER)) \
1514                 $(U_BOOT_ITS) FORCE
1515         $(call if_changed,mkfitimage)
1516         $(BOARD_SIZE_CHECK)
1517 endif
1518
1519 u-boot-with-spl.kwb: u-boot.bin spl/u-boot-spl.bin FORCE
1520         $(call if_changed,mkimage)
1521         $(BOARD_SIZE_CHECK)
1522
1523 u-boot.dis:     u-boot
1524                 $(OBJDUMP) -d $< > $@
1525
1526 ifneq ($(CONFIG_SPL_PAYLOAD),)
1527 SPL_PAYLOAD := $(CONFIG_SPL_PAYLOAD:"%"=%)
1528 else
1529 SPL_PAYLOAD := u-boot.bin
1530 endif
1531
1532 SPL_IMAGE := $(CONFIG_SPL_IMAGE:"%"=%)
1533
1534 OBJCOPYFLAGS_u-boot-with-spl.bin = -I binary -O binary \
1535                                    --pad-to=$(CONFIG_SPL_PAD_TO)
1536 u-boot-with-spl.bin: $(SPL_IMAGE) $(SPL_PAYLOAD) FORCE
1537         $(call if_changed,pad_cat)
1538
1539 ifeq ($(CONFIG_ARCH_LPC32XX)$(CONFIG_SPL),yy)
1540 MKIMAGEFLAGS_lpc32xx-spl.img = -T lpc32xximage -a $(CONFIG_SPL_TEXT_BASE)
1541
1542 lpc32xx-spl.img: spl/u-boot-spl.bin FORCE
1543         $(call if_changed,mkimage)
1544
1545 OBJCOPYFLAGS_lpc32xx-boot-0.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO)
1546
1547 lpc32xx-boot-0.bin: lpc32xx-spl.img FORCE
1548         $(call if_changed,objcopy)
1549
1550 OBJCOPYFLAGS_lpc32xx-boot-1.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO)
1551
1552 lpc32xx-boot-1.bin: lpc32xx-spl.img FORCE
1553         $(call if_changed,objcopy)
1554
1555 lpc32xx-full.bin: lpc32xx-boot-0.bin lpc32xx-boot-1.bin u-boot.img FORCE
1556         $(call if_changed,cat)
1557
1558 endif
1559
1560 OBJCOPYFLAGS_u-boot-with-tpl.bin = -I binary -O binary \
1561                                    --pad-to=$(CONFIG_TPL_PAD_TO)
1562 tpl/u-boot-with-tpl.bin: tpl/u-boot-tpl.bin u-boot.bin FORCE
1563         $(call if_changed,pad_cat)
1564
1565 SPL: spl/u-boot-spl.bin FORCE
1566         $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
1567
1568 #ifeq ($(CONFIG_ARCH_IMX8M)$(CONFIG_ARCH_IMX8), y)
1569 ifeq ($(CONFIG_SPL_LOAD_IMX_CONTAINER), y)
1570 u-boot.cnt: u-boot.bin FORCE
1571         $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
1572
1573 flash.bin: spl/u-boot-spl.bin u-boot.cnt FORCE
1574         $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
1575 else
1576 ifeq ($(CONFIG_BINMAN),y)
1577 flash.bin: spl/u-boot-spl.bin $(INPUTS-y) FORCE
1578         $(call if_changed,binman)
1579 else
1580 flash.bin: spl/u-boot-spl.bin u-boot.itb FORCE
1581         $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
1582 endif
1583 endif
1584 #endif
1585
1586 u-boot.uim: u-boot.bin FORCE
1587         $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
1588
1589 u-boot-nand.imx: u-boot.imx FORCE
1590         $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
1591
1592 u-boot-with-spl.imx u-boot-with-nand-spl.imx: SPL $(if $(CONFIG_OF_SEPARATE),u-boot.img,u-boot.uim) FORCE
1593         $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
1594
1595 MKIMAGEFLAGS_u-boot.ubl = -n $(UBL_CONFIG) -T ublimage -e $(CONFIG_TEXT_BASE)
1596
1597 u-boot.ubl: u-boot-with-spl.bin FORCE
1598         $(call if_changed,mkimage)
1599
1600 MKIMAGEFLAGS_u-boot-spl.ais = -s -n "/dev/null" \
1601         -T aisimage -e $(CONFIG_SPL_TEXT_BASE)
1602 spl/u-boot-spl.ais: spl/u-boot-spl.bin FORCE
1603         $(call if_changed,mkimage)
1604
1605 OBJCOPYFLAGS_u-boot.ais = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO)
1606 u-boot.ais: spl/u-boot-spl.ais u-boot.img FORCE
1607         $(call if_changed,pad_cat)
1608
1609 u-boot-signed.sb: u-boot.bin spl/u-boot-spl.bin
1610         $(Q)$(MAKE) $(build)=arch/arm/cpu/arm926ejs/mxs u-boot-signed.sb
1611 u-boot.sb: u-boot.bin spl/u-boot-spl.bin
1612         $(Q)$(MAKE) $(build)=arch/arm/cpu/arm926ejs/mxs u-boot.sb
1613
1614 MKIMAGEFLAGS_u-boot-spl.img = -A $(ARCH) -T firmware -C none \
1615         -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER
1616 spl/u-boot-spl.img: spl/u-boot-spl.bin FORCE
1617         $(call if_changed,mkimage)
1618
1619 ifneq ($(CONFIG_ARCH_SOCFPGA),)
1620 quiet_cmd_gensplx4 = GENSPLX4 $@
1621 cmd_gensplx4 = $(OBJCOPY) -I binary -O binary --gap-fill=0x0            \
1622                         --pad-to=$(CONFIG_SPL_PAD_TO)                   \
1623                         spl/u-boot-spl.sfp spl/u-boot-spl.sfp &&        \
1624                 cat     spl/u-boot-spl.sfp spl/u-boot-spl.sfp           \
1625                         spl/u-boot-spl.sfp spl/u-boot-spl.sfp > $@ || { rm -f $@; false; }
1626 spl/u-boot-splx4.sfp: spl/u-boot-spl.sfp FORCE
1627         $(call if_changed,gensplx4)
1628
1629 quiet_cmd_socboot = SOCBOOT $@
1630 cmd_socboot = cat       spl/u-boot-splx4.sfp u-boot.img > $@ || { rm -f $@; false; }
1631 u-boot-with-spl.sfp: spl/u-boot-splx4.sfp u-boot.img FORCE
1632         $(call if_changed,socboot)
1633
1634 quiet_cmd_gensplpadx4 = GENSPLPADX4 $@
1635 cmd_gensplpadx4 =  dd if=/dev/zero of=spl/u-boot-spl.pad bs=64 count=1024 ; \
1636                    cat  spl/u-boot-spl.sfp spl/u-boot-spl.pad \
1637                         spl/u-boot-spl.sfp spl/u-boot-spl.pad \
1638                         spl/u-boot-spl.sfp spl/u-boot-spl.pad \
1639                         spl/u-boot-spl.sfp spl/u-boot-spl.pad > $@ || \
1640                         { rm -f $@ spl/u-boot-spl.pad; false; }
1641 u-boot-spl-padx4.sfp: spl/u-boot-spl.sfp FORCE
1642         $(call if_changed,gensplpadx4)
1643
1644 quiet_cmd_socnandboot = SOCNANDBOOT $@
1645 cmd_socnandboot = cat   u-boot-spl-padx4.sfp u-boot.img > $@ || { rm -f $@; false; }
1646 u-boot-with-nand-spl.sfp: u-boot-spl-padx4.sfp u-boot.img FORCE
1647         $(call if_changed,socnandboot)
1648
1649 endif
1650
1651 ifeq ($(CONFIG_MPC85XX_HAVE_RESET_VECTOR)$(CONFIG_OF_SEPARATE),yy)
1652 u-boot-dtb.bin: u-boot-nodtb.bin u-boot.dtb u-boot-br.bin FORCE
1653         $(call if_changed,binman)
1654
1655 OBJCOPYFLAGS_u-boot-br.bin := -O binary -j .bootpg -j .resetvec
1656 u-boot-br.bin: u-boot FORCE
1657         $(call if_changed,objcopy)
1658 endif
1659
1660 quiet_cmd_ldr = LD      $@
1661 cmd_ldr = $(LD) $(LDFLAGS_$(@F)) \
1662                $(filter-out FORCE,$^) -o $@
1663
1664 ifdef CONFIG_X86
1665 OBJCOPYFLAGS_u-boot-x86-start16.bin := -O binary -j .start16
1666 u-boot-x86-start16.bin: u-boot FORCE
1667         $(call if_changed,objcopy)
1668
1669 OBJCOPYFLAGS_u-boot-x86-reset16.bin := -O binary -j .resetvec
1670 u-boot-x86-reset16.bin: u-boot FORCE
1671         $(call if_changed,objcopy)
1672
1673 endif # CONFIG_X86
1674
1675 OBJCOPYFLAGS_u-boot-app.efi := $(OBJCOPYFLAGS_EFI)
1676 u-boot-app.efi: u-boot FORCE
1677         $(call if_changed,zobjcopy)
1678
1679 u-boot.bin.o: u-boot.bin FORCE
1680         $(call if_changed,efipayload)
1681
1682 u-boot-payload.lds: $(LDSCRIPT_EFI) FORCE
1683         $(call if_changed_dep,cpp_lds)
1684
1685 # Rule to link the EFI payload which contains a stub and a U-Boot binary
1686 quiet_cmd_u-boot_payload ?= LD      $@
1687       cmd_u-boot_payload ?= $(LD) $(LDFLAGS_EFI_PAYLOAD) -o $@ \
1688       -T u-boot-payload.lds arch/x86/cpu/call32.o \
1689       lib/efi/efi.o lib/efi/efi_stub.o u-boot.bin.o \
1690       $(addprefix arch/$(ARCH)/lib/,$(EFISTUB))
1691
1692 u-boot-payload: u-boot.bin.o u-boot-payload.lds FORCE
1693         $(call if_changed,u-boot_payload)
1694
1695 OBJCOPYFLAGS_u-boot-payload.efi := $(OBJCOPYFLAGS_EFI)
1696 u-boot-payload.efi: u-boot-payload FORCE
1697         $(call if_changed,zobjcopy)
1698
1699 u-boot-img.bin: spl/u-boot-spl.bin u-boot.img FORCE
1700         $(call if_changed,cat)
1701
1702 #Add a target to create boot binary having SPL binary in PBI format
1703 #concatenated with u-boot binary. It is need by PowerPC SoC having
1704 #internal SRAM <= 512KB.
1705 MKIMAGEFLAGS_u-boot-spl.pbl = -n $(srctree)/$(CONFIG_SYS_FSL_PBL_RCW:"%"=%) \
1706                 -R $(srctree)/$(CONFIG_SYS_FSL_PBL_PBI:"%"=%) -T pblimage \
1707                 -A $(ARCH) -a $(CONFIG_SPL_TEXT_BASE)
1708
1709 spl/u-boot-spl.pbl: spl/u-boot-spl.bin FORCE
1710         $(call if_changed,mkimage)
1711
1712 ifeq ($(ARCH),arm)
1713 UBOOT_BINLOAD := u-boot.img
1714 else
1715 UBOOT_BINLOAD := u-boot.bin
1716 endif
1717
1718 OBJCOPYFLAGS_u-boot-with-spl-pbl.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) \
1719                           --gap-fill=0xff
1720
1721 u-boot-with-spl-pbl.bin: spl/u-boot-spl.pbl $(UBOOT_BINLOAD) FORCE
1722         $(call if_changed,pad_cat)
1723
1724 quiet_cmd_u-boot-elf ?= LD      $@
1725         cmd_u-boot-elf ?= $(LD) u-boot-elf.o -o $@ \
1726         $(if $(CONFIG_SYS_BIG_ENDIAN),-EB,-EL) \
1727         -T u-boot-elf.lds --defsym=$(CONFIG_PLATFORM_ELFENTRY)=$(CONFIG_TEXT_BASE) \
1728         -Ttext=$(CONFIG_TEXT_BASE)
1729 u-boot.elf: u-boot.bin u-boot-elf.lds
1730         $(Q)$(OBJCOPY) -I binary $(PLATFORM_ELFFLAGS) $< u-boot-elf.o
1731         $(call if_changed,u-boot-elf)
1732
1733 u-boot-elf.lds: arch/u-boot-elf.lds prepare FORCE
1734         $(call if_changed_dep,cpp_lds)
1735
1736 # MediaTek's ARM-based u-boot needs a header to contains its load address
1737 # which is parsed by the BootROM.
1738 # If the SPL build is enabled, the header will be added to the spl binary,
1739 # and the spl binary and the u-boot.img will be combined into one file.
1740 # Otherwise the header will be added to the u-boot.bin directly.
1741
1742 ifeq ($(CONFIG_SPL),y)
1743 spl/u-boot-spl-mtk.bin: spl/u-boot-spl
1744
1745 u-boot-mtk.bin: u-boot-with-spl.bin
1746         $(call if_changed,copy)
1747 else
1748 MKIMAGEFLAGS_u-boot-mtk.bin = -T mtk_image \
1749         -a $(CONFIG_TEXT_BASE) -e $(CONFIG_TEXT_BASE) \
1750         -n "$(patsubst "%",%,$(CONFIG_MTK_BROM_HEADER_INFO))"
1751
1752 u-boot-mtk.bin: u-boot.bin FORCE
1753         $(call if_changed,mkimage)
1754 endif
1755
1756 quiet_cmd_endian_swap = SWAP    $@
1757       cmd_endian_swap = $(srctree)/tools/endian-swap.py $< $@
1758
1759 u-boot-swap.bin: u-boot.bin FORCE
1760         $(call if_changed,endian_swap)
1761
1762 ARCH_POSTLINK := $(wildcard $(srctree)/arch/$(ARCH)/Makefile.postlink)
1763
1764 # Generate linker list symbols references to force compiler to not optimize
1765 # them away when compiling with LTO
1766 ifeq ($(LTO_ENABLE),y)
1767 u-boot-keep-syms-lto := keep-syms-lto.o
1768 u-boot-keep-syms-lto_c := $(patsubst %.o,%.c,$(u-boot-keep-syms-lto))
1769
1770 quiet_cmd_keep_syms_lto = KSL     $@
1771       cmd_keep_syms_lto = \
1772         $(srctree)/scripts/gen_ll_addressable_symbols.sh $(NM) $^ > $@
1773
1774 quiet_cmd_keep_syms_lto_cc = KSLCC   $@
1775       cmd_keep_syms_lto_cc = \
1776         $(CC) $(filter-out $(LTO_CFLAGS),$(c_flags)) -c -o $@ $<
1777
1778 $(u-boot-keep-syms-lto_c): $(u-boot-main)
1779         $(call if_changed,keep_syms_lto)
1780 $(u-boot-keep-syms-lto): $(u-boot-keep-syms-lto_c)
1781         $(call if_changed,keep_syms_lto_cc)
1782 else
1783 u-boot-keep-syms-lto :=
1784 endif
1785
1786 # Rule to link u-boot
1787 # May be overridden by arch/$(ARCH)/config.mk
1788 ifeq ($(LTO_ENABLE),y)
1789 quiet_cmd_u-boot__ ?= LTO     $@
1790       cmd_u-boot__ ?=                                                           \
1791                 touch $(u-boot-main) ;                                          \
1792                 $(CC) -nostdlib -nostartfiles                                   \
1793                 $(LTO_FINAL_LDFLAGS) $(c_flags)                                 \
1794                 $(KBUILD_LDFLAGS:%=-Wl,%) $(LDFLAGS_u-boot:%=-Wl,%) -o $@       \
1795                 -T u-boot.lds $(u-boot-init)                                    \
1796                 -Wl,--whole-archive                                             \
1797                         $(u-boot-main)                                          \
1798                         $(u-boot-keep-syms-lto)                                 \
1799                         $(PLATFORM_LIBS)                                        \
1800                 -Wl,--no-whole-archive                                          \
1801                 -Wl,-Map,u-boot.map;                                            \
1802                 $(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true)
1803 else
1804 quiet_cmd_u-boot__ ?= LD      $@
1805       cmd_u-boot__ ?=                                                           \
1806                 touch $(u-boot-main) ;                                          \
1807                 $(LD) $(KBUILD_LDFLAGS) $(LDFLAGS_u-boot) -o $@                 \
1808                 -T u-boot.lds $(u-boot-init)                                    \
1809                 --whole-archive                                                 \
1810                         $(u-boot-main)                                          \
1811                 --no-whole-archive                                              \
1812                 $(PLATFORM_LIBS) -Map u-boot.map;                               \
1813                 $(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true)
1814 endif
1815
1816 quiet_cmd_smap = GEN     common/system_map.o
1817 cmd_smap = \
1818         smap=`$(call SYSTEM_MAP,u-boot) | \
1819                 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \
1820         $(CC) $(c_flags) -DSYSTEM_MAP="\"$${smap}\"" \
1821                 -c $(srctree)/common/system_map.c -o common/system_map.o
1822
1823 u-boot: $(u-boot-init) $(u-boot-main) $(u-boot-keep-syms-lto) u-boot.lds FORCE
1824         +$(call if_changed,u-boot__)
1825 ifeq ($(CONFIG_KALLSYMS),y)
1826         $(call cmd,smap)
1827         $(call cmd,u-boot__) common/system_map.o
1828 endif
1829
1830 ifeq ($(CONFIG_RISCV),y)
1831         @tools/prelink-riscv $@
1832 endif
1833
1834 quiet_cmd_sym ?= SYM     $@
1835       cmd_sym ?= $(OBJDUMP) -t $< > $@
1836 u-boot.sym: u-boot FORCE
1837         $(call if_changed,sym)
1838
1839 # Environment processing
1840 # ---------------------------------------------------------------------------
1841
1842 # Directory where we expect the .env file, if it exists
1843 ENV_DIR := $(srctree)/board/$(BOARDDIR)
1844
1845 # Basename of .env file, stripping quotes
1846 ENV_SOURCE_FILE := $(CONFIG_ENV_SOURCE_FILE:"%"=%)
1847
1848 # Filename of .env file
1849 ENV_FILE_CFG := $(ENV_DIR)/$(ENV_SOURCE_FILE).env
1850
1851 # Default filename, if CONFIG_ENV_SOURCE_FILE is empty
1852 ENV_FILE_BOARD := $(ENV_DIR)/$(CONFIG_SYS_BOARD:"%"=%).env
1853
1854 # Select between the CONFIG_ENV_SOURCE_FILE and the default one
1855 ENV_FILE := $(if $(ENV_SOURCE_FILE),$(ENV_FILE_CFG),$(wildcard $(ENV_FILE_BOARD)))
1856
1857 # Run the environment text file through the preprocessor, but only if it is
1858 # non-empty, to save time and possible build errors if something is wonky with
1859 # the board.
1860 # If there is no ENV_FILE, produce an empty output file, to prevent a previous
1861 # build's file being used in the case of in-tree builds.
1862 quiet_cmd_gen_envp = ENVP    $@
1863       cmd_gen_envp = \
1864         if [ -s "$(ENV_FILE)" ]; then \
1865                 $(CPP) -P $(cpp_flags) -x assembler-with-cpp -undef \
1866                         -D__ASSEMBLY__ \
1867                         -D__UBOOT_CONFIG__ \
1868                         -I . -I include -I $(srctree)/include \
1869                         -include linux/kconfig.h -include include/config.h \
1870                         -I$(srctree)/arch/$(ARCH)/include \
1871                         $< -o $@; \
1872         else \
1873                 rm -f $@; \
1874                 touch $@ ; \
1875         fi
1876 include/generated/env.in: include/generated/env.txt
1877         $(call cmd,gen_envp)
1878
1879 # Regenerate the environment if it changes
1880 # We use 'wildcard' since the file is not required to exist (at present), in
1881 # which case we don't want this dependency, but instead should create an empty
1882 # file
1883 # This rule is useful since it shows the source file for the environment
1884 quiet_cmd_envc = ENVC    $@
1885       cmd_envc = \
1886         if [ -f "$<" ]; then \
1887                 cat $< > $@; \
1888         elif [ -n "$(ENV_SOURCE_FILE)" ]; then \
1889                 echo "Missing file $(ENV_FILE_CFG)"; \
1890         else \
1891                 touch $@ ; \
1892         fi
1893
1894 include/generated/env.txt: $(wildcard $(ENV_FILE)) include/generated/autoconf.h
1895         $(call cmd,envc)
1896
1897 # Write out the resulting environment, converted to a C string
1898 quiet_cmd_gen_envt = ENVT    $@
1899       cmd_gen_envt = \
1900         awk -f $(srctree)/scripts/env2string.awk $< >$@
1901 $(env_h): include/generated/env.in
1902         $(call cmd,gen_envt)
1903
1904 # ---------------------------------------------------------------------------
1905
1906 # The actual objects are generated when descending,
1907 # make sure no implicit rule kicks in
1908 $(sort $(u-boot-init) $(u-boot-main)): $(u-boot-dirs) ;
1909
1910 # Handle descending into subdirectories listed in $(u-boot-dirs)
1911 # Preset locale variables to speed up the build process. Limit locale
1912 # tweaks to this spot to avoid wrong language settings when running
1913 # make menuconfig etc.
1914 # Error messages still appears in the original language
1915
1916 PHONY += $(u-boot-dirs)
1917 $(u-boot-dirs): prepare scripts
1918         $(Q)$(MAKE) $(build)=$@
1919
1920 tools: prepare
1921 # The "tools" are needed early
1922 $(filter-out tools, $(u-boot-dirs)): tools
1923 # The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC
1924 # is "yes"), so compile examples after U-Boot is compiled.
1925 examples: $(filter-out examples, $(u-boot-dirs))
1926
1927 # The setlocalversion script comes from linux and expects a
1928 # KERNELVERSION variable in the environment for figuring out which
1929 # annotated tags are relevant. Pass UBOOTVERSION.
1930 define filechk_uboot.release
1931         KERNELVERSION=$(UBOOTVERSION) $(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree)
1932 endef
1933
1934 # Store (new) UBOOTRELEASE string in include/config/uboot.release
1935 include/config/uboot.release: include/config/auto.conf FORCE
1936         $(call filechk,uboot.release)
1937
1938
1939 # Things we need to do before we recursively start building the kernel
1940 # or the modules are listed in "prepare".
1941 # A multi level approach is used. prepareN is processed before prepareN-1.
1942 # archprepare is used in arch Makefiles and when processed asm symlink,
1943 # version.h and scripts_basic is processed / created.
1944
1945 # Listed in dependency order
1946 PHONY += prepare archprepare prepare0 prepare1 prepare2 prepare3
1947
1948 # prepare3 is used to check if we are building in a separate output directory,
1949 # and if so do:
1950 # 1) Check that make has not been executed in the kernel src $(srctree)
1951 prepare3: include/config/uboot.release
1952 ifneq ($(KBUILD_SRC),)
1953         @$(kecho) '  Using $(srctree) as source for U-Boot'
1954         $(Q)if [ -f $(srctree)/.config -o -d $(srctree)/include/config ]; then \
1955                 echo >&2 "  $(srctree) is not clean, please run 'make mrproper'"; \
1956                 echo >&2 "  in the '$(srctree)' directory.";\
1957                 /bin/false; \
1958         fi;
1959 endif
1960
1961 # prepare2 creates a makefile if using a separate output directory
1962 prepare2: prepare3 outputmakefile cfg
1963
1964 prepare1: prepare2 $(version_h) $(timestamp_h) $(dt_h) $(env_h) \
1965                    include/config/auto.conf
1966 ifeq ($(wildcard $(LDSCRIPT)),)
1967         @echo >&2 "  Could not find linker script."
1968         @/bin/false
1969 endif
1970
1971 ifeq ($(CONFIG_USE_DEFAULT_ENV_FILE),y)
1972 prepare1: $(defaultenv_h)
1973
1974 envtools: $(defaultenv_h)
1975 endif
1976
1977 archprepare: prepare1 scripts_basic
1978
1979 prepare0: archprepare FORCE
1980         $(Q)$(MAKE) $(build)=.
1981
1982 # All the preparing..
1983 prepare: prepare0
1984
1985 # Generate some files
1986 # ---------------------------------------------------------------------------
1987
1988 # Use sed to remove leading zeros from PATCHLEVEL to avoid using octal numbers
1989 define filechk_version.h
1990         (echo \#define PLAIN_VERSION \"$(UBOOTRELEASE)\"; \
1991         echo \#define U_BOOT_VERSION \"U-Boot \" PLAIN_VERSION; \
1992         echo \#define U_BOOT_VERSION_NUM $(VERSION); \
1993         echo \#define U_BOOT_VERSION_NUM_PATCH $$(echo $(PATCHLEVEL) | \
1994                 sed -e "s/^0*//"); \
1995         echo \#define HOST_ARCH $(HOST_ARCH); \
1996         echo \#define CC_VERSION_STRING \"$$(LC_ALL=C $(CC) --version | head -n 1)\"; \
1997         echo \#define LD_VERSION_STRING \"$$(LC_ALL=C $(LD) --version | head -n 1)\"; )
1998 endef
1999
2000 # The SOURCE_DATE_EPOCH mechanism requires a date that behaves like GNU date.
2001 # The BSD date on the other hand behaves different and would produce errors
2002 # with the misused '-d' switch.  Respect that and search a working date with
2003 # well known pre- and suffixes for the GNU variant of date.
2004 define filechk_timestamp.h
2005         (if test -n "$${SOURCE_DATE_EPOCH}"; then \
2006                 SOURCE_DATE="@$${SOURCE_DATE_EPOCH}"; \
2007                 DATE=""; \
2008                 for date in gdate date.gnu date; do \
2009                         $${date} -u -d "$${SOURCE_DATE}" >/dev/null 2>&1 && DATE="$${date}"; \
2010                 done; \
2011                 if test -n "$${DATE}"; then \
2012                         LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_DATE "%b %d %C%y"'; \
2013                         LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_TIME "%T"'; \
2014                         LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_TZ "%z"'; \
2015                         LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_EPOCH %s'; \
2016                 else \
2017                         return 42; \
2018                 fi; \
2019         else \
2020                 LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"'; \
2021                 LC_ALL=C date +'#define U_BOOT_TIME "%T"'; \
2022                 LC_ALL=C date +'#define U_BOOT_TZ "%z"'; \
2023                 LC_ALL=C date +'#define U_BOOT_EPOCH %s'; \
2024         fi)
2025 endef
2026
2027 define filechk_defaultenv.h
2028         ( { grep -v '^#' | grep -v '^$$' || true ; echo '' ; } | \
2029          tr '\n' '\0' | \
2030          sed -e 's/\\\x0\s*//g' | \
2031          xxd -i ; )
2032 endef
2033
2034 define filechk_dt.h
2035         (if test -n "$${DEVICE_TREE}"; then \
2036                 echo \#define DEVICE_TREE \"$(DEVICE_TREE)\"; \
2037         else \
2038                 echo \#define DEVICE_TREE CONFIG_DEFAULT_DEVICE_TREE; \
2039         fi)
2040 endef
2041
2042 $(version_h): include/config/uboot.release FORCE
2043         $(call filechk,version.h)
2044
2045 $(timestamp_h): $(srctree)/Makefile FORCE
2046         $(call filechk,timestamp.h)
2047
2048 $(dt_h): $(srctree)/Makefile FORCE
2049         $(call filechk,dt.h)
2050
2051 $(defaultenv_h): $(CONFIG_DEFAULT_ENV_FILE:"%"=%) FORCE
2052         $(call filechk,defaultenv.h)
2053
2054 # ---------------------------------------------------------------------------
2055 # Devicetree files
2056
2057 ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/boot/dts/),)
2058 dtstree := arch/$(SRCARCH)/boot/dts
2059 endif
2060
2061 ifneq ($(dtstree),)
2062
2063 %.dtb: prepare3 scripts_dtc
2064         $(Q)$(MAKE) $(build)=$(dtstree) $(dtstree)/$@
2065
2066 PHONY += dtbs dtbs_install
2067 dtbs: prepare3 scripts_dtc
2068         $(Q)$(MAKE) $(build)=$(dtstree)
2069
2070 dtbs_install:
2071         $(Q)$(MAKE) $(dtbinst)=$(dtstree)
2072
2073 endif
2074
2075 # Check dtc and pylibfdt, if DTC is provided, else build them
2076 PHONY += scripts_dtc
2077 scripts_dtc: scripts_basic
2078         $(Q)if test "$(DTC)" = "$(DTC_INTREE)"; then \
2079                 $(MAKE) $(build)=scripts/dtc; \
2080         else \
2081                 if ! $(DTC) -v >/dev/null; then \
2082                         echo '*** Failed to check dtc version: $(DTC)'; \
2083                         false; \
2084                 else \
2085                         if test "$(call dtc-version)" -lt $(DTC_MIN_VERSION); then \
2086                                 echo '*** Your dtc is too old, please upgrade to dtc $(DTC_MIN_VERSION) or newer'; \
2087                                 false; \
2088                         else \
2089                                 if [ -n "$(CONFIG_PYLIBFDT)" ]; then \
2090                                         if ! echo "import libfdt" | $(PYTHON3) 2>/dev/null; then \
2091                                                 echo '*** pylibfdt does not seem to be available with $(PYTHON3)'; \
2092                                                 false; \
2093                                         fi; \
2094                                 fi; \
2095                         fi; \
2096                 fi; \
2097         fi
2098
2099 # ---------------------------------------------------------------------------
2100 quiet_cmd_cpp_lds = LDS     $@
2101 cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) \
2102                 -D__ASSEMBLY__ -x assembler-with-cpp -std=c99 -P -o $@ $<
2103
2104 u-boot.lds: $(LDSCRIPT) prepare FORCE
2105         $(call if_changed_dep,cpp_lds)
2106
2107 spl/u-boot-spl.bin: spl/u-boot-spl
2108         @:
2109         $(SPL_SIZE_CHECK)
2110
2111 spl/u-boot-spl-dtb.bin: spl/u-boot-spl
2112         @:
2113
2114 spl/u-boot-spl-dtb.hex: spl/u-boot-spl
2115         @:
2116
2117 spl/u-boot-spl: tools prepare $(if $(CONFIG_SPL_OF_CONTROL),dts/dt.dtb)
2118         $(Q)$(MAKE) obj=spl -f $(srctree)/scripts/Makefile.xpl all
2119
2120 spl/sunxi-spl.bin: spl/u-boot-spl
2121         @:
2122
2123 spl/sunxi-spl-with-ecc.bin: spl/sunxi-spl.bin
2124         @:
2125
2126 spl/u-boot-spl.sfp: spl/u-boot-spl
2127         @:
2128
2129 spl/boot.bin: spl/u-boot-spl
2130         @:
2131
2132 tpl/u-boot-tpl.bin: tpl/u-boot-tpl
2133         @:
2134         $(TPL_SIZE_CHECK)
2135
2136 tpl/u-boot-tpl: tools prepare $(if $(CONFIG_TPL_OF_CONTROL),dts/dt.dtb)
2137         $(Q)$(MAKE) obj=tpl -f $(srctree)/scripts/Makefile.xpl all
2138
2139 vpl/u-boot-vpl.bin: vpl/u-boot-vpl
2140         @:
2141         $(VPL_SIZE_CHECK)
2142
2143 vpl/u-boot-vpl: tools prepare $(if $(CONFIG_TPL_OF_CONTROL),dts/dt.dtb)
2144         $(Q)$(MAKE) obj=vpl -f $(srctree)/scripts/Makefile.xpl all
2145
2146 TAG_SUBDIRS := $(patsubst %,$(srctree)/%,$(u-boot-dirs) include)
2147
2148 FIND := find
2149 FINDFLAGS := -L
2150
2151 tags ctags:
2152                 ctags -w -o ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
2153                                                 -name '*.[chS]' -print`
2154                 ln -s ctags tags
2155
2156 etags:
2157                 etags -a -o etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
2158                                                 -name '*.[chS]' -print`
2159 cscope:
2160                 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \
2161                                                 cscope.files
2162                 @find $(TAG_SUBDIRS) -name '*.[chS]' -type l -print | \
2163                         grep -xvf - cscope.files > cscope.files.no-symlinks; \
2164                 mv cscope.files.no-symlinks cscope.files
2165                 cscope -b -q -k
2166
2167 SYSTEM_MAP = \
2168                 $(NM) $1 | \
2169                 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
2170                 LC_ALL=C sort
2171 System.map:     u-boot
2172                 @$(call SYSTEM_MAP,$<) > $@
2173
2174 #########################################################################
2175
2176 # ARM relocations should all be R_ARM_RELATIVE (32-bit) or
2177 # R_AARCH64_RELATIVE (64-bit).
2178 checkarmreloc: u-boot
2179         @RELOC="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \
2180                 grep R_A | sort -u`"; \
2181         if test "$$RELOC" != "R_ARM_RELATIVE" -a \
2182                  "$$RELOC" != "R_AARCH64_RELATIVE"; then \
2183                 echo "$< contains unexpected relocations: $$RELOC"; \
2184                 false; \
2185         fi
2186
2187 tools/version.h: include/version.h
2188         $(Q)mkdir -p $(dir $@)
2189         $(call if_changed,copy)
2190
2191 envtools: u-boot-initial-env scripts_basic $(version_h) $(timestamp_h) tools/version.h
2192         $(Q)$(MAKE) $(build)=tools/env
2193
2194 tools-only: export TOOLS_ONLY=y
2195 tools-only: scripts_basic $(version_h) $(timestamp_h) tools/version.h
2196         $(Q)$(MAKE) $(build)=tools
2197
2198 tools-all: export HOST_TOOLS_ALL=y
2199 tools-all: envtools tools ;
2200
2201 cross_tools: export CROSS_BUILD_TOOLS=y
2202 cross_tools: tools ;
2203
2204 .PHONY : CHANGELOG
2205 CHANGELOG:
2206         git log --no-merges U-Boot-1_1_5.. | \
2207         unexpand -a | sed -e 's/\s\s*$$//' > $@
2208
2209 #########################################################################
2210
2211 ###
2212 # Cleaning is done on three levels.
2213 # make clean     Delete most generated files
2214 #                Leave enough to build external modules
2215 # make mrproper  Delete the current configuration, and all generated files
2216 # make distclean Remove editor backup files, patch leftover files and the like
2217
2218 # Directories & files removed with 'make clean'
2219 CLEAN_DIRS  += $(MODVERDIR) \
2220                $(foreach d, spl tpl vpl, $(patsubst %,$d/%, \
2221                         $(filter-out include, $(shell ls -1 $d 2>/dev/null))))
2222
2223 CLEAN_FILES += include/autoconf.mk* include/bmp_logo.h include/bmp_logo_data.h \
2224                include/config.h include/generated/env.* drivers/video/u_boot_logo.S \
2225                tools/version.h u-boot* MLO* SPL System.map fit-dtb.blob* \
2226                u-boot-ivt.img.log u-boot-dtb.imx.log SPL.log u-boot.imx.log \
2227                lpc32xx-* bl31.c bl31.elf bl31_*.bin image.map tispl.bin* \
2228                idbloader.img flash.bin flash.log defconfig keep-syms-lto.c \
2229                mkimage-out.spl.mkimage mkimage.spl.mkimage imx-boot.map \
2230                itb.fit.fit itb.fit.itb itb.map spl.map mkimage-out.rom.mkimage \
2231                mkimage.rom.mkimage mkimage-in-simple-bin* rom.map simple-bin* \
2232                idbloader-spi.img lib/efi_loader/helloworld_efi.S *.itb \
2233                Test* capsule*.*.efi-capsule capsule*.map
2234
2235 # Directories & files removed with 'make mrproper'
2236 MRPROPER_DIRS  += include/config include/generated spl tpl vpl \
2237                   .tmp_objdiff doc/output include/asm
2238
2239 # Remove include/asm symlink created by U-Boot before v2014.01
2240 MRPROPER_FILES += .config .config.old include/autoconf.mk* include/config.h \
2241                   ctags etags tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS \
2242                   drivers/video/fonts/*.S include/asm *imx8mimage* *imx8mcst*
2243
2244 # clean - Delete most, but leave enough to build external modules
2245 #
2246 clean: rm-dirs  := $(CLEAN_DIRS)
2247 clean: rm-files := $(CLEAN_FILES)
2248
2249 clean-dirs      := $(foreach f,$(u-boot-alldirs),$(if $(wildcard $(srctree)/$f/Makefile),$f))
2250
2251 clean-dirs      := $(addprefix _clean_, $(clean-dirs))
2252
2253 PHONY += $(clean-dirs) clean archclean
2254 $(clean-dirs):
2255         $(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@)
2256
2257 clean: $(clean-dirs)
2258         $(call cmd,rmdirs)
2259         $(call cmd,rmfiles)
2260         @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \
2261                 \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \
2262                 -o -name '*.ko.*' -o -name '*.su' -o -name '*.pyc' \
2263                 -o -name '*.dtb' -o -name '*.dtbo' \
2264                 -o -name '*.dtb.S' -o -name '*.dtbo.S' \
2265                 -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \
2266                 -o -name '*.lex.c' -o -name '*.tab.[ch]' \
2267                 -o -name '*.asn1.[ch]' \
2268                 -o -name '*.symtypes' -o -name 'modules.order' \
2269                 -o -name modules.builtin -o -name '.tmp_*.o.*' \
2270                 -o -name 'dsdt_generated.aml' -o -name 'dsdt_generated.asl.tmp' \
2271                 -o -name 'dsdt_generated.c' \
2272                 -o -name 'generated_defconfig' \
2273                 -o -name '*.efi' -o -name '*.gcno' -o -name '*.so' \) \
2274                 -type f -print | xargs rm -f
2275
2276 # mrproper - Delete all generated files, including .config
2277 #
2278 mrproper: rm-dirs  := $(wildcard $(MRPROPER_DIRS))
2279 mrproper: rm-files := $(wildcard $(MRPROPER_FILES))
2280 mrproper-dirs      := $(addprefix _mrproper_,scripts)
2281
2282 PHONY += $(mrproper-dirs) mrproper archmrproper
2283 $(mrproper-dirs):
2284         $(Q)$(MAKE) $(clean)=$(patsubst _mrproper_%,%,$@)
2285
2286 mrproper: clean $(mrproper-dirs)
2287         $(call cmd,rmdirs)
2288         $(call cmd,rmfiles)
2289         @rm -f arch/*/include/asm/arch
2290
2291 # distclean
2292 #
2293 PHONY += distclean
2294
2295 distclean: mrproper
2296         @find $(srctree) $(RCS_FIND_IGNORE) \
2297                 \( -name '*.orig' -o -name '*.rej' -o -name '*~' \
2298                 -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \
2299                 -o -name '.*.rej' -o -name '*%' -o -name 'core' \
2300                 -o -name '*.pyc' \) \
2301                 -type f -print | xargs rm -f
2302         @rm -f boards.cfg CHANGELOG
2303
2304 # See doc/develop/python_cq.rst
2305 PHONY += pylint pylint_err
2306 PYLINT_BASE := scripts/pylint.base
2307 PYLINT_CUR := pylint.cur
2308 PYLINT_DIFF := pylint.diff
2309 pylint:
2310         $(Q)echo "Running pylint on all files (summary in $(PYLINT_CUR); output in pylint.out/)"
2311         $(Q)mkdir -p pylint.out
2312         $(Q)rm -f pylint.out/out*
2313         $(Q)find tools test -name "*.py" \
2314                 | xargs -n1 -P$(shell nproc 2>/dev/null || echo 1) \
2315                         sh -c 'pylint --reports=y --exit-zero -f parseable --ignore-imports=yes $$@ > pylint.out/$$(echo $$@ | tr / _ | sed s/.py//)' _
2316         $(Q)rm -f $(PYLINT_CUR)
2317         $(Q)( cd pylint.out; for f in *; do \
2318                 sed -ne "s/Your code has been rated at \([-0-9.]*\).*/$$f \1/p" $$f; \
2319         done ) | sort > $(PYLINT_CUR)
2320         $(Q)base=$$(mktemp) cur=$$(mktemp); cut -d' ' -f1 $(PYLINT_BASE) >$$base; \
2321                 cut -d' ' -f1 $(PYLINT_CUR) >$$cur; \
2322                 comm -3 $$base $$cur > $(PYLINT_DIFF); \
2323                 if [ -s $(PYLINT_DIFF) ]; then \
2324                         echo "Files have been added/removed. Try:\n\tcp $(PYLINT_CUR) $(PYLINT_BASE)"; \
2325                         echo; \
2326                         echo "Added files:"; \
2327                         comm -13 $$base $$cur; \
2328                         echo; \
2329                         echo "Removed files:"; \
2330                         comm -23 $$base $$cur; \
2331                         false; \
2332                 else \
2333                         rm $$base $$cur $(PYLINT_DIFF); \
2334                 fi
2335         $(Q)bad=false; while read base_file base_val <&3 && read cur_file cur_val <&4; do \
2336                 if awk "BEGIN {exit !($$cur_val < $$base_val)}"; then \
2337                         echo "$$base_file: Score was $$base_val, now $$cur_val"; \
2338                         bad=true; fi; \
2339                 done 3<$(PYLINT_BASE) 4<$(PYLINT_CUR); \
2340                 if $$bad; then \
2341                         echo "Some files have regressed, please fix"; \
2342                         false; \
2343                 else \
2344                         echo "No pylint regressions"; \
2345                 fi
2346
2347 # Check for errors only
2348 pylint_err:
2349         $(Q)pylint -E  -j 0 --ignore-imports=yes \
2350                 $(shell find tools test -name "*.py")
2351
2352 backup:
2353         F=`basename $(srctree)` ; cd .. ; \
2354         gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F
2355
2356 PHONY += _pip pip pip_release
2357
2358 pip_release: PIP_ARGS="--real"
2359 pip_test: PIP_ARGS=""
2360 pip: PIP_ARGS="-n"
2361
2362 pip pip_test pip_release: _pip
2363
2364 _pip:
2365         scripts/make_pip.sh u_boot_pylib ${PIP_ARGS}
2366         scripts/make_pip.sh patman ${PIP_ARGS}
2367         scripts/make_pip.sh buildman ${PIP_ARGS}
2368         scripts/make_pip.sh dtoc ${PIP_ARGS}
2369         scripts/make_pip.sh binman ${PIP_ARGS}
2370
2371 help:
2372         @echo  'Cleaning targets:'
2373         @echo  '  clean           - Remove most generated files but keep the config'
2374         @echo  '  mrproper        - Remove all generated files + config + various backup files'
2375         @echo  '  distclean       - mrproper + remove editor backup and patch files'
2376         @echo  ''
2377         @echo  'Configuration targets:'
2378         @$(MAKE) -f $(srctree)/scripts/kconfig/Makefile help
2379         @echo  ''
2380         @echo  'Test targets:'
2381         @echo  ''
2382         @echo  '  check           - Run all automated tests that use sandbox'
2383         @echo  '  pcheck          - Run quick automated tests in parallel'
2384         @echo  '  qcheck          - Run quick automated tests that use sandbox'
2385         @echo  '  tcheck          - Run quick automated tests on tools'
2386         @echo  '  pylint          - Run pylint on all Python files'
2387         @echo  ''
2388         @echo  'Other generic targets:'
2389         @echo  '  all             - Build all necessary images depending on configuration'
2390         @echo  '  tests           - Build U-Boot for sandbox and run tests'
2391         @echo  '* u-boot          - Build the bare u-boot'
2392         @echo  '  dir/            - Build all files in dir and below'
2393         @echo  '  dir/file.[oisS] - Build specified target only'
2394         @echo  '  dir/file.lst    - Build specified mixed source/assembly target only'
2395         @echo  '                    (requires a recent binutils and recent build (System.map))'
2396         @echo  '  tags/ctags      - Generate ctags file for editors'
2397         @echo  '  etags           - Generate etags file for editors'
2398         @echo  '  cscope          - Generate cscope index'
2399         @echo  '  ubootrelease    - Output the release version string (use with make -s)'
2400         @echo  '  ubootversion    - Output the version stored in Makefile (use with make -s)'
2401         @echo  "  cfg             - Don't build, just create the .cfg files"
2402         @echo  "  envtools        - Build only the target-side environment tools"
2403         @echo  ''
2404         @echo  'PyPi / pip targets:'
2405         @echo  '  pip             - Check building of PyPi packages'
2406         @echo  '  pip_test        - Build PyPi pakages and upload to test server'
2407         @echo  '  pip_release     - Build PyPi pakages and upload to release server'
2408         @echo  ''
2409         @echo  'Static analysers'
2410         @echo  '  checkstack      - Generate a list of stack hogs'
2411         @echo  '  coccicheck      - Execute static code analysis with Coccinelle'
2412         @echo  ''
2413         @echo  'Documentation targets:'
2414         @$(MAKE) -f $(srctree)/doc/Makefile dochelp
2415         @echo  ''
2416         @echo  '  make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build'
2417         @echo  '  make V=2   [targets] 2 => give reason for rebuild of target'
2418         @echo  '  make O=dir [targets] Locate all output files in "dir", including .config'
2419         @echo  '  make C=1   [targets] Check all c source with $$CHECK (sparse by default)'
2420         @echo  '  make C=2   [targets] Force check of all c source with $$CHECK'
2421         @echo  '  make RECORDMCOUNT_WARN=1 [targets] Warn about ignored mcount sections'
2422         @echo  '  make W=n   [targets] Enable extra gcc checks, n=1,2,3 where'
2423         @echo  '                1: warnings which may be relevant and do not occur too often'
2424         @echo  '                2: warnings which occur quite often but may still be relevant'
2425         @echo  '                3: more obscure warnings, can most likely be ignored'
2426         @echo  '                Multiple levels can be combined with W=12 or W=123'
2427         @echo  ''
2428         @echo  'Execute "make" or "make all" to build all targets marked with [*] '
2429         @echo  'For further info see the ./README file'
2430
2431 tests check:
2432         $(srctree)/test/run
2433
2434 pcheck:
2435         $(srctree)/test/run parallel
2436
2437 qcheck:
2438         $(srctree)/test/run quick
2439
2440 tcheck:
2441         $(srctree)/test/run tools
2442
2443 # Documentation targets
2444 # ---------------------------------------------------------------------------
2445 DOC_TARGETS := xmldocs latexdocs pdfdocs htmldocs epubdocs cleandocs \
2446                linkcheckdocs dochelp refcheckdocs texinfodocs infodocs
2447 PHONY += $(DOC_TARGETS)
2448 $(DOC_TARGETS): scripts_basic FORCE
2449         $(Q)$(MAKE) $(build)=doc $@
2450
2451 PHONY += checkstack ubootrelease ubootversion
2452
2453 checkstack:
2454         $(OBJDUMP) -d u-boot $$(find . -name u-boot-spl) | \
2455         $(PERL) $(src)/scripts/checkstack.pl $(ARCH)
2456
2457 ubootrelease:
2458         @$(filechk_uboot.release)
2459
2460 ubootversion:
2461         @echo $(UBOOTVERSION)
2462
2463 # Single targets
2464 # ---------------------------------------------------------------------------
2465 # Single targets are compatible with:
2466 # - build with mixed source and output
2467 # - build with separate output dir 'make O=...'
2468 # - external modules
2469 #
2470 #  target-dir => where to store outputfile
2471 #  build-dir  => directory in kernel source tree to use
2472
2473 ifeq ($(KBUILD_EXTMOD),)
2474         build-dir  = $(patsubst %/,%,$(dir $@))
2475         target-dir = $(dir $@)
2476 else
2477         zap-slash=$(filter-out .,$(patsubst %/,%,$(dir $@)))
2478         build-dir  = $(KBUILD_EXTMOD)$(if $(zap-slash),/$(zap-slash))
2479         target-dir = $(if $(KBUILD_EXTMOD),$(dir $<),$(dir $@))
2480 endif
2481
2482 %.s: %.c prepare scripts FORCE
2483         $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
2484 %.i: %.c prepare scripts FORCE
2485         $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
2486 %.o: %.c prepare scripts FORCE
2487         $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
2488 %.lst: %.c prepare scripts FORCE
2489         $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
2490 %.s: %.S prepare scripts FORCE
2491         $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
2492 %.o: %.S prepare scripts FORCE
2493         $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
2494 %.symtypes: %.c prepare scripts FORCE
2495         $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
2496
2497 # Modules
2498 /: prepare scripts FORCE
2499         $(cmd_crmodverdir)
2500         $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \
2501         $(build)=$(build-dir)
2502 %/: prepare scripts FORCE
2503         $(cmd_crmodverdir)
2504         $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \
2505         $(build)=$(build-dir)
2506 %.ko: prepare scripts FORCE
2507         $(cmd_crmodverdir)
2508         $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1)   \
2509         $(build)=$(build-dir) $(@:.ko=.o)
2510         $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost
2511
2512 quiet_cmd_genenv = GENENV  $@
2513 cmd_genenv = \
2514         $(objtree)/tools/printinitialenv | \
2515         sed -e '/^\s*$$/d' | \
2516         sort -t '=' -k 1,1 -s -o $@
2517
2518 u-boot-initial-env: scripts_basic $(env_h) FORCE
2519         $(Q)$(MAKE) $(build)=tools $(objtree)/tools/printinitialenv
2520         $(call if_changed,genenv)
2521
2522 # Consistency checks
2523 # ---------------------------------------------------------------------------
2524
2525 PHONY += coccicheck
2526
2527 coccicheck:
2528         $(Q)$(CONFIG_SHELL) $(srctree)/scripts/$@
2529
2530 # FIXME Should go into a make.lib or something
2531 # ===========================================================================
2532
2533 quiet_cmd_rmdirs = $(if $(wildcard $(rm-dirs)),CLEAN   $(wildcard $(rm-dirs)))
2534       cmd_rmdirs = rm -rf $(rm-dirs)
2535
2536 quiet_cmd_rmfiles = $(if $(wildcard $(rm-files)),CLEAN   $(wildcard $(rm-files)))
2537       cmd_rmfiles = rm -f $(rm-files)
2538
2539 # read all saved command lines
2540
2541 cmd_files := $(wildcard .*.cmd)
2542
2543 ifneq ($(cmd_files),)
2544   $(cmd_files): ;       # Do not try to update included dependency files
2545   include $(cmd_files)
2546 endif
2547
2548 endif    #ifeq ($(config-targets),1)
2549 endif    #ifeq ($(mixed-targets),1)
2550 endif   # skip-makefile
2551
2552 PHONY += FORCE
2553 FORCE:
2554
2555 # Declare the contents of the PHONY variable as phony.  We keep that
2556 # information in a variable so we can use it in if_changed and friends.
2557 .PHONY: $(PHONY)