1# SPDX-License-Identifier: GPL-2.0+ 2 3VERSION = 2019 4PATCHLEVEL = 10 5SUBLEVEL = 6EXTRAVERSION = 7NAME = 8 9# *DOCUMENTATION* 10# To see a list of typical targets execute "make help" 11# More info can be located in ./README 12# Comments in this file are targeted only to the developer, do not 13# expect to learn how to build the kernel reading this file. 14 15# o Do not use make's built-in rules and variables 16# (this increases performance and avoids hard-to-debug behaviour); 17# o Look for make include files relative to root of kernel src 18MAKEFLAGS += -rR --include-dir=$(CURDIR) 19 20# Avoid funny character set dependencies 21unexport LC_ALL 22LC_COLLATE=C 23LC_NUMERIC=C 24export LC_COLLATE LC_NUMERIC 25 26# Avoid interference with shell env settings 27unexport GREP_OPTIONS 28 29# We are using a recursive build, so we need to do a little thinking 30# to get the ordering right. 31# 32# Most importantly: sub-Makefiles should only ever modify files in 33# their own directory. If in some directory we have a dependency on 34# a file in another dir (which doesn't happen often, but it's often 35# unavoidable when linking the built-in.o targets which finally 36# turn into vmlinux), we will call a sub make in that other dir, and 37# after that we are sure that everything which is in that other dir 38# is now up to date. 39# 40# The only cases where we need to modify files which have global 41# effects are thus separated out and done before the recursive 42# descending is started. They are now explicitly listed as the 43# prepare rule. 44 45# Beautify output 46# --------------------------------------------------------------------------- 47# 48# Normally, we echo the whole command before executing it. By making 49# that echo $($(quiet)$(cmd)), we now have the possibility to set 50# $(quiet) to choose other forms of output instead, e.g. 51# 52# quiet_cmd_cc_o_c = Compiling $(RELDIR)/$@ 53# cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $< 54# 55# If $(quiet) is empty, the whole command will be printed. 56# If it is set to "quiet_", only the short version will be printed. 57# If it is set to "silent_", nothing will be printed at all, since 58# the variable $(silent_cmd_cc_o_c) doesn't exist. 59# 60# A simple variant is to prefix commands with $(Q) - that's useful 61# for commands that shall be hidden in non-verbose mode. 62# 63# $(Q)ln $@ :< 64# 65# If KBUILD_VERBOSE equals 0 then the above command will be hidden. 66# If KBUILD_VERBOSE equals 1 then the above command is displayed. 67# 68# To put more focus on warnings, be less verbose as default 69# Use 'make V=1' to see the full commands 70 71ifeq ("$(origin V)", "command line") 72 KBUILD_VERBOSE = $(V) 73endif 74ifndef KBUILD_VERBOSE 75 KBUILD_VERBOSE = 0 76endif 77 78ifeq ($(KBUILD_VERBOSE),1) 79 quiet = 80 Q = 81else 82 quiet=quiet_ 83 Q = @ 84endif 85 86# If the user is running make -s (silent mode), suppress echoing of 87# commands 88 89ifneq ($(filter 4.%,$(MAKE_VERSION)),) # make-4 90ifneq ($(filter %s ,$(firstword x$(MAKEFLAGS))),) 91 quiet=silent_ 92endif 93else # make-3.8x 94ifneq ($(filter s% -s%,$(MAKEFLAGS)),) 95 quiet=silent_ 96endif 97endif 98 99export quiet Q KBUILD_VERBOSE 100 101# kbuild supports saving output files in a separate directory. 102# To locate output files in a separate directory two syntaxes are supported. 103# In both cases the working directory must be the root of the kernel src. 104# 1) O= 105# Use "make O=dir/to/store/output/files/" 106# 107# 2) Set KBUILD_OUTPUT 108# Set the environment variable KBUILD_OUTPUT to point to the directory 109# where the output files shall be placed. 110# export KBUILD_OUTPUT=dir/to/store/output/files/ 111# make 112# 113# The O= assignment takes precedence over the KBUILD_OUTPUT environment 114# variable. 115 116# KBUILD_SRC is set on invocation of make in OBJ directory 117# KBUILD_SRC is not intended to be used by the regular user (for now) 118ifeq ($(KBUILD_SRC),) 119 120# OK, Make called in directory where kernel src resides 121# Do we want to locate output files in a separate directory? 122ifeq ("$(origin O)", "command line") 123 KBUILD_OUTPUT := $(O) 124endif 125 126# That's our default target when none is given on the command line 127PHONY := _all 128_all: 129 130# Cancel implicit rules on top Makefile 131$(CURDIR)/Makefile Makefile: ; 132 133ifneq ($(KBUILD_OUTPUT),) 134# Invoke a second make in the output directory, passing relevant variables 135# check that the output directory actually exists 136saved-output := $(KBUILD_OUTPUT) 137KBUILD_OUTPUT := $(shell mkdir -p $(KBUILD_OUTPUT) && cd $(KBUILD_OUTPUT) \ 138 && /bin/pwd) 139$(if $(KBUILD_OUTPUT),, \ 140 $(error failed to create output directory "$(saved-output)")) 141 142PHONY += $(MAKECMDGOALS) sub-make 143 144$(filter-out _all sub-make $(CURDIR)/Makefile, $(MAKECMDGOALS)) _all: sub-make 145 @: 146 147sub-make: FORCE 148 $(Q)$(MAKE) -C $(KBUILD_OUTPUT) KBUILD_SRC=$(CURDIR) \ 149 -f $(CURDIR)/Makefile $(filter-out _all sub-make,$(MAKECMDGOALS)) 150 151# Leave processing to above invocation of make 152skip-makefile := 1 153endif # ifneq ($(KBUILD_OUTPUT),) 154endif # ifeq ($(KBUILD_SRC),) 155 156# We process the rest of the Makefile if this is the final invocation of make 157ifeq ($(skip-makefile),) 158 159# Do not print "Entering directory ...", 160# but we want to display it when entering to the output directory 161# so that IDEs/editors are able to understand relative filenames. 162MAKEFLAGS += --no-print-directory 163 164# Call a source code checker (by default, "sparse") as part of the 165# C compilation. 166# 167# Use 'make C=1' to enable checking of only re-compiled files. 168# Use 'make C=2' to enable checking of *all* source files, regardless 169# of whether they are re-compiled or not. 170# 171# See the file "doc/sparse.txt" for more details, including 172# where to get the "sparse" utility. 173 174ifeq ("$(origin C)", "command line") 175 KBUILD_CHECKSRC = $(C) 176endif 177ifndef KBUILD_CHECKSRC 178 KBUILD_CHECKSRC = 0 179endif 180 181# Use make M=dir to specify directory of external module to build 182# Old syntax make ... SUBDIRS=$PWD is still supported 183# Setting the environment variable KBUILD_EXTMOD take precedence 184ifdef SUBDIRS 185 KBUILD_EXTMOD ?= $(SUBDIRS) 186endif 187 188ifeq ("$(origin M)", "command line") 189 KBUILD_EXTMOD := $(M) 190endif 191 192# If building an external module we do not care about the all: rule 193# but instead _all depend on modules 194PHONY += all 195ifeq ($(KBUILD_EXTMOD),) 196_all: all 197else 198_all: modules 199endif 200 201ifeq ($(KBUILD_SRC),) 202 # building in the source tree 203 srctree := . 204else 205 ifeq ($(KBUILD_SRC)/,$(dir $(CURDIR))) 206 # building in a subdirectory of the source tree 207 srctree := .. 208 else 209 srctree := $(KBUILD_SRC) 210 endif 211endif 212objtree := . 213src := $(srctree) 214obj := $(objtree) 215 216VPATH := $(srctree)$(if $(KBUILD_EXTMOD),:$(KBUILD_EXTMOD)) 217 218export srctree objtree VPATH 219 220# Make sure CDPATH settings don't interfere 221unexport CDPATH 222 223######################################################################### 224 225HOSTARCH := $(shell uname -m | \ 226 sed -e s/i.86/x86/ \ 227 -e s/sun4u/sparc64/ \ 228 -e s/arm.*/arm/ \ 229 -e s/sa110/arm/ \ 230 -e s/ppc64/powerpc/ \ 231 -e s/ppc/powerpc/ \ 232 -e s/macppc/powerpc/\ 233 -e s/sh.*/sh/) 234 235HOSTOS := $(shell uname -s | tr '[:upper:]' '[:lower:]' | \ 236 sed -e 's/\(cygwin\).*/cygwin/') 237 238export HOSTARCH HOSTOS 239 240######################################################################### 241 242# set default to nothing for native builds 243ifeq ($(HOSTARCH),$(ARCH)) 244CROSS_COMPILE ?= 245endif 246 247KCONFIG_CONFIG ?= .config 248export KCONFIG_CONFIG 249 250# SHELL used by kbuild 251CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \ 252 else if [ -x /bin/bash ]; then echo /bin/bash; \ 253 else echo sh; fi ; fi) 254 255HOSTCC = cc 256HOSTCXX = c++ 257HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer \ 258 $(if $(CONFIG_TOOLS_DEBUG),-g) 259HOSTCXXFLAGS = -O2 260 261# With the move to GCC 6, we have implicitly upgraded our language 262# standard to GNU11 (see https://gcc.gnu.org/gcc-5/porting_to.html). 263# Some Linux distributions (including RHEL7, SLES13, Debian 8) still 264# have older compilers as their default, so we make it explicit for 265# these that our host tools are GNU11 (i.e. C11 w/ GNU extensions). 266CSTD_FLAG := -std=gnu11 267ifeq ($(HOSTOS),linux) 268HOSTCFLAGS += $(CSTD_FLAG) 269endif 270 271ifeq ($(HOSTOS),cygwin) 272HOSTCFLAGS += -ansi 273endif 274 275# Mac OS X / Darwin's C preprocessor is Apple specific. It 276# generates numerous errors and warnings. We want to bypass it 277# and use GNU C's cpp. To do this we pass the -traditional-cpp 278# option to the compiler. Note that the -traditional-cpp flag 279# DOES NOT have the same semantics as GNU C's flag, all it does 280# is invoke the GNU preprocessor in stock ANSI/ISO C fashion. 281# 282# Apple's linker is similar, thanks to the new 2 stage linking 283# multiple symbol definitions are treated as errors, hence the 284# -multiply_defined suppress option to turn off this error. 285# 286ifeq ($(HOSTOS),darwin) 287# get major and minor product version (e.g. '10' and '6' for Snow Leopard) 288DARWIN_MAJOR_VERSION = $(shell sw_vers -productVersion | cut -f 1 -d '.') 289DARWIN_MINOR_VERSION = $(shell sw_vers -productVersion | cut -f 2 -d '.') 290 291os_x_before = $(shell if [ $(DARWIN_MAJOR_VERSION) -le $(1) -a \ 292 $(DARWIN_MINOR_VERSION) -le $(2) ] ; then echo "$(3)"; else echo "$(4)"; fi ;) 293 294os_x_after = $(shell if [ $(DARWIN_MAJOR_VERSION) -ge $(1) -a \ 295 $(DARWIN_MINOR_VERSION) -ge $(2) ] ; then echo "$(3)"; else echo "$(4)"; fi ;) 296 297# Snow Leopards build environment has no longer restrictions as described above 298HOSTCC = $(call os_x_before, 10, 5, "cc", "gcc") 299HOSTCFLAGS += $(call os_x_before, 10, 4, "-traditional-cpp") 300HOSTLDFLAGS += $(call os_x_before, 10, 5, "-multiply_defined suppress") 301 302# since Lion (10.7) ASLR is on by default, but we use linker generated lists 303# in some host tools which is a problem then ... so disable ASLR for these 304# tools 305HOSTLDFLAGS += $(call os_x_before, 10, 7, "", "-Xlinker -no_pie") 306 307# macOS Mojave (10.14.X) 308# Undefined symbols for architecture x86_64: "_PyArg_ParseTuple" 309HOSTLDFLAGS += $(call os_x_after, 10, 14, "-lpython -dynamclib", "") 310endif 311 312# Decide whether to build built-in, modular, or both. 313# Normally, just do built-in. 314 315KBUILD_MODULES := 316KBUILD_BUILTIN := 1 317 318# If we have only "make modules", don't compile built-in objects. 319# When we're building modules with modversions, we need to consider 320# the built-in objects during the descend as well, in order to 321# make sure the checksums are up to date before we record them. 322 323ifeq ($(MAKECMDGOALS),modules) 324 KBUILD_BUILTIN := $(if $(CONFIG_MODVERSIONS),1) 325endif 326 327# If we have "make <whatever> modules", compile modules 328# in addition to whatever we do anyway. 329# Just "make" or "make all" shall build modules as well 330 331# U-Boot does not need modules 332#ifneq ($(filter all _all modules,$(MAKECMDGOALS)),) 333# KBUILD_MODULES := 1 334#endif 335 336#ifeq ($(MAKECMDGOALS),) 337# KBUILD_MODULES := 1 338#endif 339 340define size_check 341 actual=$$( wc -c $1 | awk '{print $$1}'); \ 342 limit=$$( printf "%d" $2 ); \ 343 if test $$actual -gt $$limit; then \ 344 echo "$1 exceeds file size limit:" >&2; \ 345 echo " limit: $$limit bytes" >&2; \ 346 echo " actual: $$actual bytes" >&2; \ 347 echo " excess: $$((actual - limit)) bytes" >&2; \ 348 exit 1; \ 349 fi 350endef 351export size_check 352 353export KBUILD_MODULES KBUILD_BUILTIN 354export KBUILD_CHECKSRC KBUILD_SRC KBUILD_EXTMOD 355 356# We need some generic definitions (do not try to remake the file). 357scripts/Kbuild.include: ; 358include scripts/Kbuild.include 359 360# Make variables (CC, etc...) 361 362AS = $(CROSS_COMPILE)as 363# Always use GNU ld 364ifneq ($(shell $(CROSS_COMPILE)ld.bfd -v 2> /dev/null),) 365LD = $(CROSS_COMPILE)ld.bfd 366else 367LD = $(CROSS_COMPILE)ld 368endif 369CC = $(CROSS_COMPILE)gcc 370CPP = $(CC) -E 371AR = $(CROSS_COMPILE)ar 372NM = $(CROSS_COMPILE)nm 373LDR = $(CROSS_COMPILE)ldr 374STRIP = $(CROSS_COMPILE)strip 375OBJCOPY = $(CROSS_COMPILE)objcopy 376OBJDUMP = $(CROSS_COMPILE)objdump 377LEX = flex 378YACC = bison 379AWK = awk 380PERL = perl 381PYTHON ?= python 382PYTHON2 = python2 383PYTHON3 = python3 384DTC ?= $(objtree)/scripts/dtc/dtc 385CHECK = sparse 386 387CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \ 388 -Wbitwise -Wno-return-void -D__CHECK_ENDIAN__ $(CF) 389 390KBUILD_CPPFLAGS := -D__KERNEL__ -D__UBOOT__ 391 392KBUILD_CFLAGS := -Wall -Wstrict-prototypes \ 393 -Wno-format-security \ 394 -fno-builtin -ffreestanding $(CSTD_FLAG) 395KBUILD_CFLAGS += -fshort-wchar -fno-strict-aliasing 396KBUILD_AFLAGS := -D__ASSEMBLY__ 397 398# Don't generate position independent code 399KBUILD_CFLAGS += $(call cc-option,-fno-PIE) 400KBUILD_AFLAGS += $(call cc-option,-fno-PIE) 401 402# Read UBOOTRELEASE from include/config/uboot.release (if it exists) 403UBOOTRELEASE = $(shell cat include/config/uboot.release 2> /dev/null) 404UBOOTVERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SUBLEVEL)))$(EXTRAVERSION) 405 406export VERSION PATCHLEVEL SUBLEVEL UBOOTRELEASE UBOOTVERSION 407export ARCH CPU BOARD VENDOR SOC CPUDIR BOARDDIR 408export CONFIG_SHELL HOSTCC HOSTCFLAGS HOSTLDFLAGS CROSS_COMPILE AS LD CC 409export CPP AR NM LDR STRIP OBJCOPY OBJDUMP 410export MAKE LEX YACC AWK PERL PYTHON PYTHON2 PYTHON3 411export HOSTCXX HOSTCXXFLAGS CHECK CHECKFLAGS DTC DTC_FLAGS 412 413export KBUILD_CPPFLAGS NOSTDINC_FLAGS UBOOTINCLUDE OBJCOPYFLAGS LDFLAGS 414export KBUILD_CFLAGS KBUILD_AFLAGS 415 416# When compiling out-of-tree modules, put MODVERDIR in the module 417# tree rather than in the kernel tree. The kernel tree might 418# even be read-only. 419export MODVERDIR := $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/).tmp_versions 420 421# Files to ignore in find ... statements 422 423export RCS_FIND_IGNORE := \( -name SCCS -o -name BitKeeper -o -name .svn -o \ 424 -name CVS -o -name .pc -o -name .hg -o -name .git \) \ 425 -prune -o 426export RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn \ 427 --exclude CVS --exclude .pc --exclude .hg --exclude .git 428 429# =========================================================================== 430# Rules shared between *config targets and build targets 431 432# Basic helpers built in scripts/ 433PHONY += scripts_basic 434scripts_basic: 435 $(Q)$(MAKE) $(build)=scripts/basic 436 $(Q)rm -f .tmp_quiet_recordmcount 437 438# To avoid any implicit rule to kick in, define an empty command. 439scripts/basic/%: scripts_basic ; 440 441PHONY += outputmakefile 442# outputmakefile generates a Makefile in the output directory, if using a 443# separate output directory. This allows convenient use of make in the 444# output directory. 445outputmakefile: 446ifneq ($(KBUILD_SRC),) 447 $(Q)ln -fsn $(srctree) source 448 $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile \ 449 $(srctree) $(objtree) $(VERSION) $(PATCHLEVEL) 450endif 451 452# To make sure we do not include .config for any of the *config targets 453# catch them early, and hand them over to scripts/kconfig/Makefile 454# It is allowed to specify more targets when calling make, including 455# mixing *config targets and build targets. 456# For example 'make oldconfig all'. 457# Detect when mixed targets is specified, and make a second invocation 458# of make so .config is not included in this case either (for *config). 459 460version_h := include/generated/version_autogenerated.h 461timestamp_h := include/generated/timestamp_autogenerated.h 462defaultenv_h := include/generated/defaultenv_autogenerated.h 463 464no-dot-config-targets := clean clobber mrproper distclean \ 465 help %docs check% coccicheck \ 466 ubootversion backup tests check qcheck 467 468config-targets := 0 469mixed-targets := 0 470dot-config := 1 471 472ifneq ($(filter $(no-dot-config-targets), $(MAKECMDGOALS)),) 473 ifeq ($(filter-out $(no-dot-config-targets), $(MAKECMDGOALS)),) 474 dot-config := 0 475 endif 476endif 477 478ifeq ($(KBUILD_EXTMOD),) 479 ifneq ($(filter config %config,$(MAKECMDGOALS)),) 480 config-targets := 1 481 ifneq ($(words $(MAKECMDGOALS)),1) 482 mixed-targets := 1 483 endif 484 endif 485endif 486 487ifeq ($(mixed-targets),1) 488# =========================================================================== 489# We're called with mixed targets (*config and build targets). 490# Handle them one by one. 491 492PHONY += $(MAKECMDGOALS) __build_one_by_one 493 494$(filter-out __build_one_by_one, $(MAKECMDGOALS)): __build_one_by_one 495 @: 496 497__build_one_by_one: 498 $(Q)set -e; \ 499 for i in $(MAKECMDGOALS); do \ 500 $(MAKE) -f $(srctree)/Makefile $$i; \ 501 done 502 503else 504ifeq ($(config-targets),1) 505# =========================================================================== 506# *config targets only - make sure prerequisites are updated, and descend 507# in scripts/kconfig to make the *config target 508 509KBUILD_DEFCONFIG := sandbox_defconfig 510export KBUILD_DEFCONFIG KBUILD_KCONFIG 511 512config: scripts_basic outputmakefile FORCE 513 $(Q)$(MAKE) $(build)=scripts/kconfig $@ 514 515%config: scripts_basic outputmakefile FORCE 516 $(Q)$(MAKE) $(build)=scripts/kconfig $@ 517 518else 519# =========================================================================== 520# Build targets only - this includes vmlinux, arch specific targets, clean 521# targets and others. In general all targets except *config targets. 522 523# Additional helpers built in scripts/ 524# Carefully list dependencies so we do not try to build scripts twice 525# in parallel 526PHONY += scripts 527scripts: scripts_basic include/config/auto.conf 528 $(Q)$(MAKE) $(build)=$(@) 529 530ifeq ($(dot-config),1) 531# Read in config 532-include include/config/auto.conf 533 534# Read in dependencies to all Kconfig* files, make sure to run 535# oldconfig if changes are detected. 536-include include/config/auto.conf.cmd 537 538# To avoid any implicit rule to kick in, define an empty command 539$(KCONFIG_CONFIG) include/config/auto.conf.cmd: ; 540 541# If .config is newer than include/config/auto.conf, someone tinkered 542# with it and forgot to run make oldconfig. 543# if auto.conf.cmd is missing then we are probably in a cleaned tree so 544# we execute the config step to be sure to catch updated Kconfig files 545include/config/%.conf: $(KCONFIG_CONFIG) include/config/auto.conf.cmd 546 $(Q)$(MAKE) -f $(srctree)/Makefile syncconfig 547 @# If the following part fails, include/config/auto.conf should be 548 @# deleted so "make silentoldconfig" will be re-run on the next build. 549 $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.autoconf || \ 550 { rm -f include/config/auto.conf; false; } 551 @# include/config.h has been updated after "make silentoldconfig". 552 @# We need to touch include/config/auto.conf so it gets newer 553 @# than include/config.h. 554 @# Otherwise, 'make silentoldconfig' would be invoked twice. 555 $(Q)touch include/config/auto.conf 556 557u-boot.cfg spl/u-boot.cfg tpl/u-boot.cfg: 558 $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.autoconf $(@) 559 560-include include/autoconf.mk 561-include include/autoconf.mk.dep 562 563# We want to include arch/$(ARCH)/config.mk only when include/config/auto.conf 564# is up-to-date. When we switch to a different board configuration, old CONFIG 565# macros are still remaining in include/config/auto.conf. Without the following 566# gimmick, wrong config.mk would be included leading nasty warnings/errors. 567ifneq ($(wildcard $(KCONFIG_CONFIG)),) 568ifneq ($(wildcard include/config/auto.conf),) 569autoconf_is_old := $(shell find . -path ./$(KCONFIG_CONFIG) -newer \ 570 include/config/auto.conf) 571ifeq ($(autoconf_is_old),) 572include config.mk 573include arch/$(ARCH)/Makefile 574endif 575endif 576endif 577 578# These are set by the arch-specific config.mk. Make sure they are exported 579# so they can be used when building an EFI application. 580export EFI_LDS # Filename of EFI link script in arch/$(ARCH)/lib 581export EFI_CRT0 # Filename of EFI CRT0 in arch/$(ARCH)/lib 582export EFI_RELOC # Filename of EFU relocation code in arch/$(ARCH)/lib 583export CFLAGS_EFI # Compiler flags to add when building EFI app 584export CFLAGS_NON_EFI # Compiler flags to remove when building EFI app 585export EFI_TARGET # binutils target if EFI is natively supported 586 587# If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use 588# that (or fail if absent). Otherwise, search for a linker script in a 589# standard location. 590 591ifndef LDSCRIPT 592 #LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds.debug 593 ifdef CONFIG_SYS_LDSCRIPT 594 # need to strip off double quotes 595 LDSCRIPT := $(srctree)/$(CONFIG_SYS_LDSCRIPT:"%"=%) 596 endif 597endif 598 599# If there is no specified link script, we look in a number of places for it 600ifndef LDSCRIPT 601 ifeq ($(wildcard $(LDSCRIPT)),) 602 LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds 603 endif 604 ifeq ($(wildcard $(LDSCRIPT)),) 605 LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot.lds 606 endif 607 ifeq ($(wildcard $(LDSCRIPT)),) 608 LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot.lds 609 endif 610endif 611 612else 613# Dummy target needed, because used as prerequisite 614include/config/auto.conf: ; 615endif # $(dot-config) 616 617# 618# Xtensa linker script cannot be preprocessed with -ansi because of 619# preprocessor operations on strings that don't make C identifiers. 620# 621ifeq ($(CONFIG_XTENSA),) 622LDPPFLAGS += -ansi 623endif 624 625ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE 626KBUILD_CFLAGS += -Os 627else 628KBUILD_CFLAGS += -O2 629endif 630 631KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector) 632KBUILD_CFLAGS += $(call cc-option,-fno-delete-null-pointer-checks) 633 634# change __FILE__ to the relative path from the srctree 635KBUILD_CFLAGS += $(call cc-option,-fmacro-prefix-map=$(srctree)/=) 636 637KBUILD_CFLAGS += -g 638# $(KBUILD_AFLAGS) sets -g, which causes gcc to pass a suitable -g<format> 639# option to the assembler. 640KBUILD_AFLAGS += -g 641 642# Report stack usage if supported 643# ARC tools based on GCC 7.1 has an issue with stack usage 644# with naked functions, see commit message for more details 645ifndef CONFIG_ARC 646ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-stack-usage.sh $(CC)),y) 647 KBUILD_CFLAGS += -fstack-usage 648endif 649endif 650 651KBUILD_CFLAGS += $(call cc-option,-Wno-format-nonliteral) 652ifeq ($(cc-name),clang) 653KBUILD_CPPFLAGS += $(call cc-option,-Qunused-arguments,) 654KBUILD_CFLAGS += $(call cc-disable-warning, format-invalid-specifier) 655KBUILD_CFLAGS += $(call cc-disable-warning, gnu) 656KBUILD_CFLAGS += $(call cc-disable-warning, address-of-packed-member) 657KBUILD_CFLAGS += $(call cc-option, -fcatch-undefined-behavior) 658endif 659 660# turn jbsr into jsr for m68k 661ifeq ($(ARCH),m68k) 662ifeq ($(findstring 3.4,$(shell $(CC) --version)),3.4) 663KBUILD_AFLAGS += -Wa,-gstabs,-S 664endif 665endif 666 667# Prohibit date/time macros, which would make the build non-deterministic 668KBUILD_CFLAGS += $(call cc-option,-Werror=date-time) 669 670include scripts/Makefile.extrawarn 671 672# Add user supplied CPPFLAGS, AFLAGS and CFLAGS as the last assignments 673KBUILD_CPPFLAGS += $(KCPPFLAGS) 674KBUILD_AFLAGS += $(KAFLAGS) 675KBUILD_CFLAGS += $(KCFLAGS) 676 677# Use UBOOTINCLUDE when you must reference the include/ directory. 678# Needed to be compatible with the O= option 679UBOOTINCLUDE := \ 680 -Iinclude \ 681 $(if $(KBUILD_SRC), -I$(srctree)/include) \ 682 $(if $(CONFIG_$(SPL_)SYS_THUMB_BUILD), \ 683 $(if $(CONFIG_HAS_THUMB2),, \ 684 -I$(srctree)/arch/$(ARCH)/thumb1/include),) \ 685 -I$(srctree)/arch/$(ARCH)/include \ 686 -include $(srctree)/include/linux/kconfig.h 687 688NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include) 689CHECKFLAGS += $(NOSTDINC_FLAGS) 690 691# FIX ME 692cpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \ 693 $(NOSTDINC_FLAGS) 694c_flags := $(KBUILD_CFLAGS) $(cpp_flags) 695 696######################################################################### 697# U-Boot objects....order is important (i.e. start must be first) 698 699HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n) 700 701libs-y += lib/ 702libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/ 703libs-$(CONFIG_OF_EMBED) += dts/ 704libs-y += fs/ 705libs-y += net/ 706libs-y += disk/ 707libs-y += drivers/ 708libs-y += drivers/dma/ 709libs-y += drivers/gpio/ 710libs-y += drivers/i2c/ 711libs-y += drivers/mtd/ 712libs-$(CONFIG_CMD_NAND) += drivers/mtd/nand/raw/ 713libs-y += drivers/mtd/onenand/ 714libs-$(CONFIG_CMD_UBI) += drivers/mtd/ubi/ 715libs-y += drivers/mtd/spi/ 716libs-y += drivers/net/ 717libs-y += drivers/net/phy/ 718libs-y += drivers/power/ \ 719 drivers/power/domain/ \ 720 drivers/power/fuel_gauge/ \ 721 drivers/power/mfd/ \ 722 drivers/power/pmic/ \ 723 drivers/power/battery/ \ 724 drivers/power/regulator/ 725libs-y += drivers/spi/ 726libs-$(CONFIG_FMAN_ENET) += drivers/net/fm/ 727libs-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/ 728libs-$(CONFIG_SYS_FSL_MMDC) += drivers/ddr/fsl/ 729libs-$(CONFIG_$(SPL_)ALTERA_SDRAM) += drivers/ddr/altera/ 730libs-y += drivers/serial/ 731libs-y += drivers/usb/dwc3/ 732libs-y += drivers/usb/common/ 733libs-y += drivers/usb/emul/ 734libs-y += drivers/usb/eth/ 735libs-$(CONFIG_USB_GADGET) += drivers/usb/gadget/ 736libs-$(CONFIG_USB_GADGET) += drivers/usb/gadget/udc/ 737libs-y += drivers/usb/host/ 738libs-y += drivers/usb/musb/ 739libs-y += drivers/usb/musb-new/ 740libs-y += drivers/usb/phy/ 741libs-y += drivers/usb/ulpi/ 742libs-y += cmd/ 743libs-y += common/ 744libs-y += env/ 745libs-$(CONFIG_API) += api/ 746libs-$(CONFIG_HAS_POST) += post/ 747libs-$(CONFIG_UNIT_TEST) += test/ test/dm/ 748libs-$(CONFIG_UT_ENV) += test/env/ 749libs-$(CONFIG_UT_OVERLAY) += test/overlay/ 750 751libs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/) 752 753libs-y := $(sort $(libs-y)) 754 755u-boot-dirs := $(patsubst %/,%,$(filter %/, $(libs-y))) tools examples 756 757u-boot-alldirs := $(sort $(u-boot-dirs) $(patsubst %/,%,$(filter %/, $(libs-)))) 758 759libs-y := $(patsubst %/, %/built-in.o, $(libs-y)) 760 761u-boot-init := $(head-y) 762u-boot-main := $(libs-y) 763 764 765# Add GCC lib 766ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y) 767PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a 768else 769PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(c_flags) -print-libgcc-file-name`) -lgcc 770endif 771PLATFORM_LIBS += $(PLATFORM_LIBGCC) 772 773ifdef CONFIG_CC_COVERAGE 774KBUILD_CFLAGS += --coverage 775PLATFORM_LIBGCC += -lgcov 776endif 777 778export PLATFORM_LIBS 779export PLATFORM_LIBGCC 780 781# Special flags for CPP when processing the linker script. 782# Pass the version down so we can handle backwards compatibility 783# on the fly. 784LDPPFLAGS += \ 785 -include $(srctree)/include/u-boot/u-boot.lds.h \ 786 -DCPUDIR=$(CPUDIR) \ 787 $(shell $(LD) --version | \ 788 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 789 790######################################################################### 791######################################################################### 792 793ifneq ($(CONFIG_BOARD_SIZE_LIMIT),) 794BOARD_SIZE_CHECK= @ $(call size_check,$@,$(CONFIG_BOARD_SIZE_LIMIT)) 795else 796BOARD_SIZE_CHECK = 797endif 798 799ifneq ($(CONFIG_SPL_SIZE_LIMIT),0) 800SPL_SIZE_CHECK = @$(call size_check,$@,$$(tools/spl_size_limit)) 801else 802SPL_SIZE_CHECK = 803endif 804 805# Statically apply RELA-style relocations (currently arm64 only) 806# This is useful for arm64 where static relocation needs to be performed on 807# the raw binary, but certain simulators only accept an ELF file (but don't 808# do the relocation). 809ifneq ($(CONFIG_STATIC_RELA),) 810# $(1) is u-boot ELF, $(2) is u-boot bin, $(3) is text base 811DO_STATIC_RELA = \ 812 start=$$($(NM) $(1) | grep __rel_dyn_start | cut -f 1 -d ' '); \ 813 end=$$($(NM) $(1) | grep __rel_dyn_end | cut -f 1 -d ' '); \ 814 tools/relocate-rela $(2) $(3) $$start $$end 815else 816DO_STATIC_RELA = 817endif 818 819# Always append ALL so that arch config.mk's can add custom ones 820ALL-y += u-boot.srec u-boot.bin u-boot.sym System.map binary_size_check 821 822ALL-$(CONFIG_ONENAND_U_BOOT) += u-boot-onenand.bin 823ifeq ($(CONFIG_SPL_FSL_PBL),y) 824ALL-$(CONFIG_RAMBOOT_PBL) += u-boot-with-spl-pbl.bin 825else 826ifneq ($(CONFIG_SECURE_BOOT), y) 827# For Secure Boot The Image needs to be signed and Header must also 828# be included. So The image has to be built explicitly 829ALL-$(CONFIG_RAMBOOT_PBL) += u-boot.pbl 830endif 831endif 832ALL-$(CONFIG_SPL) += spl/u-boot-spl.bin 833ifeq ($(CONFIG_MX6)$(CONFIG_SECURE_BOOT), yy) 834ALL-$(CONFIG_SPL_FRAMEWORK) += u-boot-ivt.img 835else 836ifeq ($(CONFIG_MX7)$(CONFIG_SECURE_BOOT), yy) 837ALL-$(CONFIG_SPL_FRAMEWORK) += u-boot-ivt.img 838else 839ALL-$(CONFIG_SPL_FRAMEWORK) += u-boot.img 840endif 841endif 842ALL-$(CONFIG_TPL) += tpl/u-boot-tpl.bin 843ALL-$(CONFIG_OF_SEPARATE) += u-boot.dtb 844ifeq ($(CONFIG_SPL_FRAMEWORK),y) 845ALL-$(CONFIG_OF_SEPARATE) += u-boot-dtb.img 846endif 847ALL-$(CONFIG_OF_HOSTFILE) += u-boot.dtb 848ifneq ($(CONFIG_SPL_TARGET),) 849ALL-$(CONFIG_SPL) += $(CONFIG_SPL_TARGET:"%"=%) 850endif 851ALL-$(CONFIG_REMAKE_ELF) += u-boot.elf 852ALL-$(CONFIG_EFI_APP) += u-boot-app.efi 853ALL-$(CONFIG_EFI_STUB) += u-boot-payload.efi 854 855ifneq ($(BUILD_ROM)$(CONFIG_BUILD_ROM),) 856ALL-$(CONFIG_X86_RESET_VECTOR) += u-boot.rom 857endif 858 859# Build a combined spl + u-boot image for sunxi 860ifeq ($(CONFIG_ARCH_SUNXI)$(CONFIG_SPL),yy) 861ALL-y += u-boot-sunxi-with-spl.bin 862endif 863 864# enable combined SPL/u-boot/dtb rules for tegra 865ifeq ($(CONFIG_TEGRA)$(CONFIG_SPL),yy) 866ALL-y += u-boot-tegra.bin u-boot-nodtb-tegra.bin 867ALL-$(CONFIG_OF_SEPARATE) += u-boot-dtb-tegra.bin 868endif 869 870ALL-$(CONFIG_ARCH_MEDIATEK) += u-boot-mtk.bin 871 872# Add optional build target if defined in board/cpu/soc headers 873ifneq ($(CONFIG_BUILD_TARGET),) 874ALL-y += $(CONFIG_BUILD_TARGET:"%"=%) 875endif 876 877ifdef CONFIG_INIT_SP_RELATIVE 878ALL-y += init_sp_bss_offset_check 879endif 880 881ifeq ($(CONFIG_MPC85xx)$(CONFIG_OF_SEPARATE),yy) 882ALL-y += u-boot-with-dtb.bin 883endif 884 885ifeq ($(CONFIG_ARCH_ROCKCHIP)$(CONFIG_SPL)$(CONFIG_TPL),yyy) 886ALL-y += idbloader.img 887endif 888 889LDFLAGS_u-boot += $(LDFLAGS_FINAL) 890 891# Avoid 'Not enough room for program headers' error on binutils 2.28 onwards. 892LDFLAGS_u-boot += $(call ld-option, --no-dynamic-linker) 893 894ifeq ($(CONFIG_ARC)$(CONFIG_NIOS2)$(CONFIG_X86)$(CONFIG_XTENSA),) 895LDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE) 896endif 897 898# Normally we fill empty space with 0xff 899quiet_cmd_objcopy = OBJCOPY $@ 900cmd_objcopy = $(OBJCOPY) --gap-fill=0xff $(OBJCOPYFLAGS) \ 901 $(OBJCOPYFLAGS_$(@F)) $< $@ 902 903# Provide a version which does not do this, for use by EFI 904quiet_cmd_zobjcopy = OBJCOPY $@ 905cmd_zobjcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@ 906 907quiet_cmd_efipayload = OBJCOPY $@ 908cmd_efipayload = $(OBJCOPY) -I binary -O $(EFIPAYLOAD_BFDTARGET) -B $(EFIPAYLOAD_BFDARCH) $< $@ 909 910MKIMAGEOUTPUT ?= /dev/null 911 912quiet_cmd_mkimage = MKIMAGE $@ 913cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \ 914 >$(MKIMAGEOUTPUT) $(if $(KBUILD_VERBOSE:0=), && cat $(MKIMAGEOUTPUT)) 915 916quiet_cmd_mkfitimage = MKIMAGE $@ 917cmd_mkfitimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -f $(U_BOOT_ITS) -p $(CONFIG_FIT_EXTERNAL_OFFSET) $@\ 918 >$(MKIMAGEOUTPUT) $(if $(KBUILD_VERBOSE:0=), && cat $(MKIMAGEOUTPUT)) 919 920quiet_cmd_cat = CAT $@ 921cmd_cat = cat $(filter-out $(PHONY), $^) > $@ 922 923append = cat $(filter-out $< $(PHONY), $^) >> $@ 924 925quiet_cmd_pad_cat = CAT $@ 926cmd_pad_cat = $(cmd_objcopy) && $(append) || rm -f $@ 927 928cfg: u-boot.cfg 929 930quiet_cmd_cfgcheck = CFGCHK $2 931cmd_cfgcheck = $(srctree)/scripts/check-config.sh $2 \ 932 $(srctree)/scripts/config_whitelist.txt $(srctree) 933 934all: $(ALL-y) 935ifeq ($(CONFIG_DEPRECATED),y) 936 $(warning "You have deprecated configuration options enabled in your .config! Please check your configuration.") 937ifeq ($(CONFIG_SPI),y) 938ifneq ($(CONFIG_DM_SPI)$(CONFIG_OF_CONTROL),yy) 939 $(warning "The relevant config item with associated code will remove in v2019.07 release.") 940endif 941endif 942endif 943ifneq ($(CONFIG_DM),y) 944 @echo >&2 "===================== WARNING ======================" 945 @echo >&2 "This board does not use CONFIG_DM. CONFIG_DM will be" 946 @echo >&2 "compulsory starting with the v2020.01 release." 947 @echo >&2 "Failure to update may result in board removal." 948 @echo >&2 "See doc/driver-model/migration.rst for more info." 949 @echo >&2 "====================================================" 950endif 951ifeq ($(CONFIG_MMC),y) 952ifneq ($(CONFIG_DM_MMC)$(CONFIG_OF_CONTROL)$(CONFIG_BLK),yyy) 953 @echo >&2 "===================== WARNING ======================" 954 @echo >&2 "This board does not use CONFIG_DM_MMC. Please update" 955 @echo >&2 "the board to use CONFIG_DM_MMC before the v2019.04 release." 956 @echo >&2 "Failure to update by the deadline may result in board removal." 957 @echo >&2 "See doc/driver-model/MIGRATION.txt for more info." 958 @echo >&2 "====================================================" 959endif 960endif 961ifeq ($(CONFIG_USB),y) 962ifneq ($(CONFIG_DM_USB)$(CONFIG_OF_CONTROL)$(CONFIG_BLK),yyy) 963 @echo >&2 "===================== WARNING ======================" 964 @echo >&2 "This board does not use CONFIG_DM_USB. Please update" 965 @echo >&2 "the board to use CONFIG_DM_USB before the v2019.07 release." 966 @echo >&2 "Failure to update by the deadline may result in board removal." 967 @echo >&2 "See doc/driver-model/MIGRATION.txt for more info." 968 @echo >&2 "====================================================" 969endif 970endif 971ifeq ($(CONFIG_MVSATA_IDE),y) 972 @echo >&2 "===================== WARNING ======================" 973 @echo >&2 "This board does use CONFIG_MVSATA_IDE which is not" 974 @echo >&2 "ported to driver-model (DM) yet. Please update the storage" 975 @echo >&2 "controller driver to use CONFIG_AHCI before the v2019.07" 976 @echo >&2 "release." 977 @echo >&2 "Failure to update by the deadline may result in board removal." 978 @echo >&2 "See doc/driver-model/MIGRATION.txt for more info." 979 @echo >&2 "====================================================" 980endif 981ifeq ($(CONFIG_LIBATA),y) 982ifneq ($(CONFIG_AHCI),y) 983 @echo >&2 "===================== WARNING ======================" 984 @echo >&2 "This board does use CONFIG_LIBATA but has CONFIG_AHCI not" 985 @echo >&2 "enabled. Please update the storage controller driver to use" 986 @echo >&2 "CONFIG_AHCI before the v2019.07 release." 987 @echo >&2 "Failure to update by the deadline may result in board removal." 988 @echo >&2 "See doc/driver-model/MIGRATION.txt for more info." 989 @echo >&2 "====================================================" 990endif 991endif 992ifeq ($(CONFIG_PCI),y) 993ifneq ($(CONFIG_DM_PCI),y) 994 @echo >&2 "===================== WARNING ======================" 995 @echo >&2 "This board does not use CONFIG_DM_PCI Please update" 996 @echo >&2 "the board to use CONFIG_DM_PCI before the v2019.07 release." 997 @echo >&2 "Failure to update by the deadline may result in board removal." 998 @echo >&2 "See doc/driver-model/MIGRATION.txt for more info." 999 @echo >&2 "====================================================" 1000endif
1001endif 1002ifneq ($(CONFIG_LCD)$(CONFIG_VIDEO),) 1003ifneq ($(CONFIG_DM_VIDEO),y) 1004 @echo >&2 "===================== WARNING ======================" 1005 @echo >&2 "This board does not use CONFIG_DM_VIDEO Please update" 1006 @echo >&2 "the board to use CONFIG_DM_VIDEO before the v2019.07 release." 1007 @echo >&2 "Failure to update by the deadline may result in board removal." 1008 @echo >&2 "See doc/driver-model/MIGRATION.txt for more info." 1009 @echo >&2 "====================================================" 1010endif 1011endif 1012ifeq ($(CONFIG_OF_EMBED),y) 1013 @echo >&2 "===================== WARNING ======================" 1014 @echo >&2 "CONFIG_OF_EMBED is enabled. This option should only" 1015 @echo >&2 "be used for debugging purposes. Please use" 1016 @echo >&2 "CONFIG_OF_SEPARATE for boards in mainline." 1017 @echo >&2 "See doc/README.fdt-control for more info." 1018 @echo >&2 "====================================================" 1019endif 1020ifeq ($(CONFIG_SPI_FLASH),y) 1021ifneq ($(CONFIG_DM_SPI_FLASH)$(CONFIG_OF_CONTROL),yy) 1022 @echo >&2 "===================== WARNING ======================" 1023 @echo >&2 "This board does not use CONFIG_DM_SPI_FLASH. Please update" 1024 @echo >&2 "the board to use CONFIG_SPI_FLASH before the v2019.07 release." 1025 @echo >&2 "Failure to update by the deadline may result in board removal." 1026 @echo >&2 "See doc/driver-model/MIGRATION.txt for more info." 1027 @echo >&2 "====================================================" 1028endif 1029endif 1030ifneq ($(CONFIG_WATCHDOG)$(CONFIG_HW_WATCHDOG),) 1031ifneq ($(CONFIG_WDT),y) 1032 @echo >&2 "===================== WARNING ======================" 1033 @echo >&2 "This board does not use CONFIG_WDT (DM watchdog support)." 1034 @echo >&2 "Please update the board to use CONFIG_WDT before the" 1035 @echo >&2 "v2019.10 release." 1036 @echo >&2 "Failure to update by the deadline may result in board removal." 1037 @echo >&2 "See doc/driver-model/MIGRATION.txt for more info." 1038 @echo >&2 "====================================================" 1039endif 1040endif 1041ifneq ($(CONFIG_NET),) 1042ifneq ($(CONFIG_DM_ETH),y) 1043 @echo >&2 "===================== WARNING ======================" 1044 @echo >&2 "This board does not use CONFIG_DM_ETH (Driver Model" 1045 @echo >&2 "for Ethernet drivers). Please update the board to use" 1046 @echo >&2 "CONFIG_DM_ETH before the v2020.07 release. Failure to" 1047 @echo >&2 "update by the deadline may result in board removal." 1048 @echo >&2 "See doc/driver-model/migration.rst for more info." 1049 @echo >&2 "====================================================" 1050endif 1051endif 1052 @# Check that this build does not use CONFIG options that we do not 1053 @# know about unless they are in Kconfig. All the existing CONFIG 1054 @# options are whitelisted, so new ones should not be added. 1055 $(call cmd,cfgcheck,u-boot.cfg) 1056 1057PHONY += dtbs 1058dtbs: dts/dt.dtb 1059 @: 1060dts/dt.dtb: u-boot 1061 $(Q)$(MAKE) $(build)=dts dtbs 1062 1063quiet_cmd_copy = COPY $@ 1064 cmd_copy = cp $< $@ 1065 1066ifeq ($(CONFIG_MULTI_DTB_FIT),y) 1067 1068ifeq ($(CONFIG_MULTI_DTB_FIT_LZO),y) 1069FINAL_DTB_CONTAINER = fit-dtb.blob.lzo 1070else ifeq ($(CONFIG_MULTI_DTB_FIT_GZIP),y) 1071FINAL_DTB_CONTAINER = fit-dtb.blob.gz 1072else 1073FINAL_DTB_CONTAINER = fit-dtb.blob 1074endif 1075 1076fit-dtb.blob.gz: fit-dtb.blob 1077 @gzip -kf9 $< > $@ 1078 1079fit-dtb.blob.lzo: fit-dtb.blob 1080 @lzop -f9 $< > $@ 1081 1082fit-dtb.blob: dts/dt.dtb FORCE 1083 $(call if_changed,mkimage) 1084ifneq ($(SOURCE_DATE_EPOCH),) 1085 touch -d @$(SOURCE_DATE_EPOCH) fit-dtb.blob 1086 chmod 0600 fit-dtb.blob 1087endif 1088 1089MKIMAGEFLAGS_fit-dtb.blob = -f auto -A $(ARCH) -T firmware -C none -O u-boot \ 1090 -a 0 -e 0 -E \ 1091 $(patsubst %,-b arch/$(ARCH)/dts/%.dtb,$(subst ",,$(CONFIG_OF_LIST))) -d /dev/null 1092 1093ifneq ($(EXT_DTB),) 1094u-boot-fit-dtb.bin: u-boot-nodtb.bin $(EXT_DTB) 1095 $(call if_changed,cat) 1096else 1097u-boot-fit-dtb.bin: u-boot-nodtb.bin $(FINAL_DTB_CONTAINER) 1098 $(call if_changed,cat) 1099endif 1100 1101u-boot.bin: u-boot-fit-dtb.bin FORCE 1102 $(call if_changed,copy) 1103 1104u-boot-dtb.bin: u-boot-nodtb.bin dts/dt.dtb FORCE 1105 $(call if_changed,cat) 1106 1107else ifeq ($(CONFIG_OF_SEPARATE),y) 1108u-boot-dtb.bin: u-boot-nodtb.bin dts/dt.dtb FORCE 1109 $(call if_changed,cat) 1110 1111u-boot.bin: u-boot-dtb.bin FORCE 1112 $(call if_changed,copy) 1113else 1114u-boot.bin: u-boot-nodtb.bin FORCE 1115 $(call if_changed,copy) 1116endif 1117 1118%.imx: %.bin 1119 $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@ 1120 $(BOARD_SIZE_CHECK) 1121 1122%.vyb: %.imx 1123 $(Q)$(MAKE) $(build)=arch/arm/cpu/armv7/vf610 $@ 1124 1125quiet_cmd_copy = COPY $@ 1126 cmd_copy = cp $< $@ 1127 1128u-boot.dtb: dts/dt.dtb 1129 $(call cmd,copy) 1130 1131OBJCOPYFLAGS_u-boot.hex := -O ihex 1132 1133OBJCOPYFLAGS_u-boot.srec := -O srec 1134 1135u-boot.hex u-boot.srec: u-boot FORCE 1136 $(call if_changed,objcopy) 1137 1138OBJCOPYFLAGS_u-boot-elf.srec := $(OBJCOPYFLAGS_u-boot.srec) 1139 1140u-boot-elf.srec: u-boot.elf FORCE 1141 $(call if_changed,objcopy) 1142 1143OBJCOPYFLAGS_u-boot-spl.srec = $(OBJCOPYFLAGS_u-boot.srec) 1144 1145spl/u-boot-spl.srec: spl/u-boot-spl FORCE 1146 $(call if_changed,objcopy) 1147 1148%.scif: %.srec 1149 $(Q)$(MAKE) $(build)=arch/arm/mach-rmobile $@ 1150 1151OBJCOPYFLAGS_u-boot-nodtb.bin := -O binary \ 1152 $(if $(CONFIG_X86_16BIT_INIT),-R .start16 -R .resetvec) \ 1153 $(if $(CONFIG_MPC85XX_HAVE_RESET_VECTOR),-R .bootpg -R .resetvec) 1154 1155OBJCOPYFLAGS_u-boot-spl.hex = $(OBJCOPYFLAGS_u-boot.hex) 1156 1157spl/u-boot-spl.hex: spl/u-boot-spl FORCE 1158 $(call if_changed,objcopy) 1159 1160binary_size_check: u-boot-nodtb.bin FORCE 1161 @file_size=$(shell wc -c u-boot-nodtb.bin | awk '{print $$1}') ; \ 1162 map_size=$(shell cat u-boot.map | \ 1163 awk '/_image_copy_start/ {start = $$1} /_image_binary_end/ {end = $$1} END {if (start != "" && end != "") print "ibase=16; " toupper(end) " - " toupper(start)}' \ 1164 | sed 's/0X//g' \ 1165 | bc); \ 1166 if [ "" != "$$map_size" ]; then \ 1167 if test $$map_size -ne $$file_size; then \ 1168 echo "u-boot.map shows a binary size of $$map_size" >&2 ; \ 1169 echo " but u-boot-nodtb.bin shows $$file_size" >&2 ; \ 1170 exit 1; \ 1171 fi \ 1172 fi 1173 1174ifdef CONFIG_INIT_SP_RELATIVE 1175ifneq ($(CONFIG_SYS_MALLOC_F_LEN),) 1176subtract_sys_malloc_f_len = space=$$(($${space} - $(CONFIG_SYS_MALLOC_F_LEN))) 1177else 1178subtract_sys_malloc_f_len = true 1179endif 1180# The 1/4 margin below is somewhat arbitrary. The likely initial SP usage is 1181# so low that the DTB could probably use 90%+ of the available space, for 1182# current values of CONFIG_SYS_INIT_SP_BSS_OFFSET at least. However, let's be 1183# safe for now and tweak this later if space becomes tight. 1184# A rejected alternative would be to check that some absolute minimum stack 1185# space was available. However, since CONFIG_SYS_INIT_SP_BSS_OFFSET is 1186# deliberately build-specific, to take account of build-to-build stack usage 1187# differences due to different feature sets, there is no common absolute value 1188# to check against. 1189init_sp_bss_offset_check: u-boot.dtb FORCE 1190 @dtb_size=$(shell wc -c u-boot.dtb | awk '{print $$1}') ; \ 1191 space=$(CONFIG_SYS_INIT_SP_BSS_OFFSET) ; \ 1192 $(subtract_sys_malloc_f_len) ; \ 1193 quarter_space=$$(($${space} / 4)) ; \ 1194 if [ $${dtb_size} -gt $${quarter_space} ]; then \ 1195 echo "u-boot.dtb is larger than 1 quarter of " >&2 ; \ 1196 echo "(CONFIG_SYS_INIT_SP_BSS_OFFSET - CONFIG_SYS_MALLOC_F_LEN)" >&2 ; \ 1197 exit 1 ; \ 1198 fi 1199endif 1200 1201u-boot-nodtb.bin: u-boot FORCE 1202 $(call if_changed,objcopy) 1203 $(call DO_STATIC_RELA,$<,$@,$(CONFIG_SYS_TEXT_BASE)) 1204 $(BOARD_SIZE_CHECK) 1205 1206u-boot.ldr: u-boot 1207 $(CREATE_LDR_ENV) 1208 $(LDR) -T $(CONFIG_CPU) -c $@ $< $(LDR_FLAGS) 1209 $(BOARD_SIZE_CHECK) 1210 1211# binman 1212# --------------------------------------------------------------------------- 1213# Use 'make BINMAN_DEBUG=1' to enable debugging 1214quiet_cmd_binman = BINMAN $@ 1215cmd_binman = $(srctree)/tools/binman/binman $(if $(BINMAN_DEBUG),-D) \ 1216 build -u -d u-boot.dtb -O . -m \ 1217 -I . -I $(srctree) -I $(srctree)/board/$(BOARDDIR) \ 1218 $(BINMAN_$(@F)) 1219 1220OBJCOPYFLAGS_u-boot.ldr.hex := -I binary -O ihex 1221 1222OBJCOPYFLAGS_u-boot.ldr.srec := -I binary -O srec 1223 1224u-boot.ldr.hex u-boot.ldr.srec: u-boot.ldr FORCE 1225 $(call if_changed,objcopy) 1226 1227# 1228# U-Boot entry point, needed for booting of full-blown U-Boot 1229# from the SPL U-Boot version. 1230# 1231ifndef CONFIG_SYS_UBOOT_START 1232CONFIG_SYS_UBOOT_START := 0 1233endif 1234 1235# Boards with more complex image requirements can provide an .its source file 1236# or a generator script 1237ifneq ($(CONFIG_SPL_FIT_SOURCE),"") 1238U_BOOT_ITS = $(subst ",,$(CONFIG_SPL_FIT_SOURCE)) 1239else 1240ifneq ($(CONFIG_SPL_FIT_GENERATOR),"") 1241U_BOOT_ITS := u-boot.its 1242ifeq ($(CONFIG_SPL_FIT_GENERATOR),"arch/arm/mach-imx/mkimage_fit_atf.sh") 1243U_BOOT_ITS_DEPS += u-boot-nodtb.bin 1244endif 1245ifeq ($(CONFIG_SPL_FIT_GENERATOR),"arch/arm/mach-rockchip/make_fit_atf.py") 1246U_BOOT_ITS_DEPS += u-boot 1247endif 1248$(U_BOOT_ITS): $(U_BOOT_ITS_DEPS) FORCE 1249 $(srctree)/$(CONFIG_SPL_FIT_GENERATOR) \ 1250 $(patsubst %,arch/$(ARCH)/dts/%.dtb,$(subst ",,$(CONFIG_OF_LIST))) > $@ 1251endif 1252endif 1253 1254ifdef CONFIG_SPL_LOAD_FIT 1255MKIMAGEFLAGS_u-boot.img = -f auto -A $(ARCH) -T firmware -C none -O u-boot \ 1256 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \ 1257 -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board" -E \ 1258 $(patsubst %,-b arch/$(ARCH)/dts/%.dtb,$(subst ",,$(CONFIG_OF_LIST))) 1259else 1260MKIMAGEFLAGS_u-boot.img = -A $(ARCH) -T firmware -C none -O u-boot \ 1261 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \ 1262 -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board" 1263MKIMAGEFLAGS_u-boot-ivt.img = -A $(ARCH) -T firmware_ivt -C none -O u-boot \ 1264 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \ 1265 -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board" 1266u-boot-ivt.img: MKIMAGEOUTPUT = u-boot-ivt.img.log 1267CLEAN_FILES += u-boot-ivt.img.log u-boot-dtb.imx.log SPL.log u-boot.imx.log 1268endif 1269 1270MKIMAGEFLAGS_u-boot-dtb.img = $(MKIMAGEFLAGS_u-boot.img) 1271 1272MKIMAGEFLAGS_u-boot.kwb = -n $(srctree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%) \ 1273 -T kwbimage -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) 1274 1275MKIMAGEFLAGS_u-boot-spl.kwb = -n $(srctree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%) \ 1276 -T kwbimage -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) \ 1277 $(if $(KEYDIR),-k $(KEYDIR)) 1278 1279MKIMAGEFLAGS_u-boot.pbl = -n $(srctree)/$(CONFIG_SYS_FSL_PBL_RCW:"%"=%) \ 1280 -R $(srctree)/$(CONFIG_SYS_FSL_PBL_PBI:"%"=%) -T pblimage 1281 1282ifeq ($(CONFIG_MPC85xx)$(CONFIG_OF_SEPARATE),yy) 1283UBOOT_BIN := u-boot-with-dtb.bin 1284else 1285UBOOT_BIN := u-boot.bin 1286endif 1287 1288u-boot-dtb.img u-boot.img u-boot.kwb u-boot.pbl u-boot-ivt.img: \ 1289 $(if $(CONFIG_SPL_LOAD_FIT),u-boot-nodtb.bin \ 1290 $(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_OF_HOSTFILE),dts/dt.dtb) \ 1291 ,$(UBOOT_BIN)) FORCE 1292 $(call if_changed,mkimage) 1293 $(BOARD_SIZE_CHECK) 1294 1295ifeq ($(CONFIG_SPL_LOAD_FIT_FULL),y) 1296MKIMAGEFLAGS_u-boot.itb = 1297else 1298MKIMAGEFLAGS_u-boot.itb = -E 1299endif 1300 1301u-boot.itb: u-boot-nodtb.bin \ 1302 $(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_OF_HOSTFILE),dts/dt.dtb) \ 1303 $(U_BOOT_ITS) FORCE 1304 $(call if_changed,mkfitimage) 1305 $(BOARD_SIZE_CHECK) 1306 1307u-boot-spl.kwb: u-boot.img spl/u-boot-spl.bin FORCE 1308 $(call if_changed,mkimage) 1309 1310u-boot.sha1: u-boot.bin 1311 tools/ubsha1 u-boot.bin 1312 1313u-boot.dis: u-boot 1314 $(OBJDUMP) -d $< > $@ 1315 1316ifneq ($(CONFIG_SPL_PAYLOAD),) 1317SPL_PAYLOAD := $(CONFIG_SPL_PAYLOAD:"%"=%) 1318else 1319SPL_PAYLOAD := u-boot.bin 1320endif 1321 1322SPL_IMAGE := $(CONFIG_SPL_IMAGE:"%"=%) 1323 1324OBJCOPYFLAGS_u-boot-with-spl.bin = -I binary -O binary \ 1325 --pad-to=$(CONFIG_SPL_PAD_TO) 1326u-boot-with-spl.bin: $(SPL_IMAGE) $(SPL_PAYLOAD) FORCE 1327 $(call if_changed,pad_cat) 1328 1329ifeq ($(CONFIG_ARCH_ROCKCHIP),y) 1330MKIMAGEFLAGS_u-boot-tpl.img = -n $(CONFIG_SYS_SOC) -T rksd 1331tpl/u-boot-tpl.img: tpl/u-boot-tpl.bin FORCE 1332 $(call if_changed,mkimage) 1333idbloader.img: tpl/u-boot-tpl.img spl/u-boot-spl.bin FORCE 1334 $(call if_changed,cat) 1335endif 1336 1337ifeq ($(CONFIG_ARCH_LPC32XX)$(CONFIG_SPL),yy) 1338MKIMAGEFLAGS_lpc32xx-spl.img = -T lpc32xximage -a $(CONFIG_SPL_TEXT_BASE) 1339 1340lpc32xx-spl.img: spl/u-boot-spl.bin FORCE 1341 $(call if_changed,mkimage) 1342 1343OBJCOPYFLAGS_lpc32xx-boot-0.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) 1344 1345lpc32xx-boot-0.bin: lpc32xx-spl.img FORCE 1346 $(call if_changed,objcopy) 1347 1348OBJCOPYFLAGS_lpc32xx-boot-1.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) 1349 1350lpc32xx-boot-1.bin: lpc32xx-spl.img FORCE 1351 $(call if_changed,objcopy) 1352 1353lpc32xx-full.bin: lpc32xx-boot-0.bin lpc32xx-boot-1.bin u-boot.img FORCE 1354 $(call if_changed,cat) 1355 1356CLEAN_FILES += lpc32xx-* 1357endif 1358 1359OBJCOPYFLAGS_u-boot-with-tpl.bin = -I binary -O binary \ 1360 --pad-to=$(CONFIG_TPL_PAD_TO) 1361tpl/u-boot-with-tpl.bin: tpl/u-boot-tpl.bin u-boot.bin FORCE 1362 $(call if_changed,pad_cat) 1363 1364SPL: spl/u-boot-spl.bin FORCE 1365 $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@ 1366 1367ifeq ($(CONFIG_ARCH_IMX8M)$(CONFIG_ARCH_IMX8), y) 1368flash.bin: spl/u-boot-spl.bin u-boot.itb FORCE 1369 $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@ 1370endif 1371 1372u-boot-with-spl.imx u-boot-with-nand-spl.imx: SPL u-boot.bin FORCE 1373 $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@ 1374 1375MKIMAGEFLAGS_u-boot.ubl = -n $(UBL_CONFIG) -T ublimage -e $(CONFIG_SYS_TEXT_BASE) 1376 1377u-boot.ubl: u-boot-with-spl.bin FORCE 1378 $(call if_changed,mkimage) 1379 1380MKIMAGEFLAGS_u-boot-spl.ais = -s -n $(if $(CONFIG_AIS_CONFIG_FILE), \ 1381 $(srctree)/$(CONFIG_AIS_CONFIG_FILE:"%"=%),"/dev/null") \ 1382 -T aisimage -e $(CONFIG_SPL_TEXT_BASE) 1383spl/u-boot-spl.ais: spl/u-boot-spl.bin FORCE 1384 $(call if_changed,mkimage) 1385 1386OBJCOPYFLAGS_u-boot.ais = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) 1387u-boot.ais: spl/u-boot-spl.ais u-boot.img FORCE 1388 $(call if_changed,pad_cat) 1389 1390u-boot-signed.sb: u-boot.bin spl/u-boot-spl.bin 1391 $(Q)$(MAKE) $(build)=arch/arm/cpu/arm926ejs/mxs u-boot-signed.sb 1392u-boot.sb: u-boot.bin spl/u-boot-spl.bin 1393 $(Q)$(MAKE) $(build)=arch/arm/cpu/arm926ejs/mxs u-boot.sb 1394 1395# On x600 (SPEAr600) U-Boot is appended to U-Boot SPL. 1396# Both images are created using mkimage (crc etc), so that the ROM 1397# bootloader can check its integrity. Padding needs to be done to the 1398# SPL image (with mkimage header) and not the binary. Otherwise the resulting image 1399# which is loaded/copied by the ROM bootloader to SRAM doesn't fit. 1400# The resulting image containing both U-Boot images is called u-boot.spr 1401MKIMAGEFLAGS_u-boot-spl.img = -A $(ARCH) -T firmware -C none \ 1402 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER 1403spl/u-boot-spl.img: spl/u-boot-spl.bin FORCE 1404 $(call if_changed,mkimage) 1405 1406OBJCOPYFLAGS_u-boot.spr = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) \ 1407 --gap-fill=0xff 1408u-boot.spr: spl/u-boot-spl.img u-boot.img FORCE 1409 $(call if_changed,pad_cat) 1410 1411ifneq ($(CONFIG_ARCH_SOCFPGA),) 1412quiet_cmd_socboot = SOCBOOT $@ 1413cmd_socboot = cat spl/u-boot-spl.sfp spl/u-boot-spl.sfp \ 1414 spl/u-boot-spl.sfp spl/u-boot-spl.sfp \ 1415 u-boot.img > $@ || rm -f $@ 1416u-boot-with-spl.sfp: spl/u-boot-spl.sfp u-boot.img FORCE 1417 $(call if_changed,socboot) 1418endif 1419 1420ifeq ($(CONFIG_MPC85xx)$(CONFIG_OF_SEPARATE),yy) 1421u-boot-with-dtb.bin: u-boot.bin u-boot.dtb \ 1422 $(if $(CONFIG_MPC85XX_HAVE_RESET_VECTOR), u-boot-br.bin) FORCE 1423 $(call if_changed,binman) 1424 1425ifeq ($(CONFIG_MPC85XX_HAVE_RESET_VECTOR),y) 1426OBJCOPYFLAGS_u-boot-br.bin := -O binary -j .bootpg -j .resetvec 1427u-boot-br.bin: u-boot FORCE 1428 $(call if_changed,objcopy) 1429endif 1430endif 1431 1432# x86 uses a large ROM. We fill it with 0xff, put the 16-bit stuff (including 1433# reset vector) at the top, Intel ME descriptor at the bottom, and U-Boot in 1434# the middle. This is handled by binman based on an image description in the 1435# board's device tree. 1436ifneq ($(CONFIG_X86_RESET_VECTOR),) 1437rom: u-boot.rom FORCE 1438 1439refcode.bin: $(srctree)/board/$(BOARDDIR)/refcode.bin FORCE 1440 $(call if_changed,copy) 1441 1442quiet_cmd_ldr = LD $@ 1443cmd_ldr = $(LD) $(LDFLAGS_$(@F)) \ 1444 $(filter-out FORCE,$^) -o $@ 1445 1446u-boot.rom: u-boot-x86-16bit.bin u-boot.bin \ 1447 $(if $(CONFIG_SPL_X86_16BIT_INIT),spl/u-boot-spl.bin) \ 1448 $(if $(CONFIG_TPL_X86_16BIT_INIT),tpl/u-boot-tpl.bin) \ 1449 $(if $(CONFIG_HAVE_REFCODE),refcode.bin) FORCE 1450 $(call if_changed,binman) 1451 1452OBJCOPYFLAGS_u-boot-x86-16bit.bin := -O binary -j .start16 -j .resetvec 1453u-boot-x86-16bit.bin: u-boot FORCE 1454 $(call if_changed,objcopy) 1455endif 1456 1457ifneq ($(CONFIG_ARCH_SUNXI),) 1458ifeq ($(CONFIG_ARM64),) 1459u-boot-sunxi-with-spl.bin: spl/sunxi-spl.bin u-boot.img u-boot.dtb FORCE 1460 $(call if_changed,binman) 1461else 1462u-boot-sunxi-with-spl.bin: spl/sunxi-spl.bin u-boot.itb FORCE 1463 $(call if_changed,cat) 1464endif 1465endif 1466 1467ifneq ($(CONFIG_TEGRA),) 1468ifneq ($(CONFIG_BINMAN),) 1469# Makes u-boot-dtb-tegra.bin u-boot-tegra.bin u-boot-nodtb-tegra.bin 1470%-dtb-tegra.bin %-tegra.bin %-nodtb-tegra.bin: \ 1471 spl/%-spl %.bin FORCE 1472 $(call if_changed,binman) 1473else 1474OBJCOPYFLAGS_u-boot-nodtb-tegra.bin = -O binary --pad-to=$(CONFIG_SYS_TEXT_BASE) 1475u-boot-nodtb-tegra.bin: spl/u-boot-spl u-boot-nodtb.bin FORCE 1476 $(call if_changed,pad_cat) 1477 1478OBJCOPYFLAGS_u-boot-tegra.bin = -O binary --pad-to=$(CONFIG_SYS_TEXT_BASE) 1479u-boot-tegra.bin: spl/u-boot-spl u-boot.bin FORCE 1480 $(call if_changed,pad_cat) 1481 1482u-boot-dtb-tegra.bin: u-boot-tegra.bin FORCE 1483 $(call if_changed,copy) 1484endif # binman 1485endif 1486 1487OBJCOPYFLAGS_u-boot-app.efi := $(OBJCOPYFLAGS_EFI) 1488u-boot-app.efi: u-boot FORCE 1489 $(call if_changed,zobjcopy) 1490 1491u-boot.bin.o: u-boot.bin FORCE 1492 $(call if_changed,efipayload) 1493 1494u-boot-payload.lds: $(LDSCRIPT_EFI) FORCE 1495 $(call if_changed_dep,cpp_lds) 1496 1497# Rule to link the EFI payload which contains a stub and a U-Boot binary 1498quiet_cmd_u-boot_payload ?= LD $@ 1499 cmd_u-boot_payload ?= $(LD) $(LDFLAGS_EFI_PAYLOAD) -o $@ \ 1500 -T u-boot-payload.lds arch/x86/cpu/call32.o \ 1501 lib/efi/efi.o lib/efi/efi_stub.o u-boot.bin.o \ 1502 $(addprefix arch/$(ARCH)/lib/,$(EFISTUB)) 1503 1504u-boot-payload: u-boot.bin.o u-boot-payload.lds FORCE 1505 $(call if_changed,u-boot_payload) 1506 1507OBJCOPYFLAGS_u-boot-payload.efi := $(OBJCOPYFLAGS_EFI) 1508u-boot-payload.efi: u-boot-payload FORCE 1509 $(call if_changed,zobjcopy) 1510 1511u-boot-img.bin: spl/u-boot-spl.bin u-boot.img FORCE 1512 $(call if_changed,cat) 1513 1514#Add a target to create boot binary having SPL binary in PBI format 1515#concatenated with u-boot binary. It is need by PowerPC SoC having 1516#internal SRAM <= 512KB. 1517MKIMAGEFLAGS_u-boot-spl.pbl = -n $(srctree)/$(CONFIG_SYS_FSL_PBL_RCW:"%"=%) \ 1518 -R $(srctree)/$(CONFIG_SYS_FSL_PBL_PBI:"%"=%) -T pblimage \ 1519 -A $(ARCH) -a $(CONFIG_SPL_TEXT_BASE) 1520 1521spl/u-boot-spl.pbl: spl/u-boot-spl.bin FORCE 1522 $(call if_changed,mkimage) 1523 1524ifeq ($(ARCH),arm) 1525UBOOT_BINLOAD := u-boot.img 1526else 1527ifeq ($(CONFIG_MPC85xx)$(CONFIG_OF_SEPARATE),yy) 1528UBOOT_BINLOAD := u-boot-with-dtb.bin 1529else 1530UBOOT_BINLOAD := u-boot.bin 1531endif 1532endif 1533 1534OBJCOPYFLAGS_u-boot-with-spl-pbl.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) \ 1535 --gap-fill=0xff 1536 1537u-boot-with-spl-pbl.bin: spl/u-boot-spl.pbl $(UBOOT_BINLOAD) FORCE 1538 $(call if_changed,pad_cat) 1539 1540# PPC4xx needs the SPL at the end of the image, since the reset vector 1541# is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target 1542# and need to introduce a new build target with the full blown U-Boot 1543# at the start padded up to the start of the SPL image. And then concat 1544# the SPL image to the end. 1545 1546OBJCOPYFLAGS_u-boot-img-spl-at-end.bin := -I binary -O binary \ 1547 --pad-to=$(CONFIG_UBOOT_PAD_TO) --gap-fill=0xff 1548u-boot-img-spl-at-end.bin: u-boot.img spl/u-boot-spl.bin FORCE 1549 $(call if_changed,pad_cat) 1550 1551# Create a new ELF from a raw binary file. 1552ifndef PLATFORM_ELFENTRY 1553 PLATFORM_ELFENTRY = "_start" 1554endif 1555quiet_cmd_u-boot-elf ?= LD $@ 1556 cmd_u-boot-elf ?= $(LD) u-boot-elf.o -o $@ \ 1557 --defsym=$(PLATFORM_ELFENTRY)=$(CONFIG_SYS_TEXT_BASE) \ 1558 -Ttext=$(CONFIG_SYS_TEXT_BASE) 1559u-boot.elf: u-boot.bin 1560 $(Q)$(OBJCOPY) -I binary $(PLATFORM_ELFFLAGS) $< u-boot-elf.o 1561 $(call if_changed,u-boot-elf) 1562 1563# MediaTek's ARM-based u-boot needs a header to contains its load address 1564# which is parsed by the BootROM. 1565# If the SPL build is enabled, the header will be added to the spl binary, 1566# and the spl binary and the u-boot.img will be combined into one file. 1567# Otherwise the header will be added to the u-boot.bin directly. 1568 1569ifeq ($(CONFIG_SPL),y) 1570spl/u-boot-spl-mtk.bin: spl/u-boot-spl 1571 1572u-boot-mtk.bin: u-boot.dtb u-boot.img spl/u-boot-spl-mtk.bin FORCE 1573 $(call if_changed,binman) 1574else 1575MKIMAGEFLAGS_u-boot-mtk.bin = -T mtk_image \ 1576 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) \ 1577 -n "$(patsubst "%",%,$(CONFIG_MTK_BROM_HEADER_INFO))" 1578 1579u-boot-mtk.bin: u-boot.bin FORCE 1580 $(call if_changed,mkimage) 1581endif 1582 1583ARCH_POSTLINK := $(wildcard $(srctree)/arch/$(ARCH)/Makefile.postlink) 1584 1585# Rule to link u-boot 1586# May be overridden by arch/$(ARCH)/config.mk 1587quiet_cmd_u-boot__ ?= LD $@ 1588 cmd_u-boot__ ?= $(LD) $(LDFLAGS) $(LDFLAGS_u-boot) -o $@ \ 1589 -T u-boot.lds $(u-boot-init) \ 1590 --start-group $(u-boot-main) --end-group \ 1591 $(PLATFORM_LIBS) -Map u-boot.map; \ 1592 $(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true) 1593 1594quiet_cmd_smap = GEN common/system_map.o 1595cmd_smap = \ 1596 smap=`$(call SYSTEM_MAP,u-boot) | \ 1597 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \ 1598 $(CC) $(c_flags) -DSYSTEM_MAP="\"$${smap}\"" \ 1599 -c $(srctree)/common/system_map.c -o common/system_map.o 1600 1601u-boot: $(u-boot-init) $(u-boot-main) u-boot.lds FORCE 1602 +$(call if_changed,u-boot__) 1603ifeq ($(CONFIG_KALLSYMS),y) 1604 $(call cmd,smap) 1605 $(call cmd,u-boot__) common/system_map.o 1606endif 1607 1608ifeq ($(CONFIG_RISCV),y) 1609 @tools/prelink-riscv $@ 0 1610endif 1611 1612quiet_cmd_sym ?= SYM $@ 1613 cmd_sym ?= $(OBJDUMP) -t $< > $@ 1614u-boot.sym: u-boot FORCE 1615 $(call if_changed,sym) 1616 1617# The actual objects are generated when descending, 1618# make sure no implicit rule kicks in 1619$(sort $(u-boot-init) $(u-boot-main)): $(u-boot-dirs) ; 1620 1621# Handle descending into subdirectories listed in $(vmlinux-dirs) 1622# Preset locale variables to speed up the build process. Limit locale 1623# tweaks to this spot to avoid wrong language settings when running 1624# make menuconfig etc. 1625# Error messages still appears in the original language 1626 1627PHONY += $(u-boot-dirs) 1628$(u-boot-dirs): prepare scripts 1629 $(Q)$(MAKE) $(build)=$@ 1630 1631tools: prepare 1632# The "tools" are needed early 1633$(filter-out tools, $(u-boot-dirs)): tools 1634# The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC 1635# is "yes"), so compile examples after U-Boot is compiled. 1636examples: $(filter-out examples, $(u-boot-dirs)) 1637 1638define filechk_uboot.release 1639 echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" 1640endef 1641 1642# Store (new) UBOOTRELEASE string in include/config/uboot.release 1643include/config/uboot.release: include/config/auto.conf FORCE 1644 $(call filechk,uboot.release) 1645 1646 1647# Things we need to do before we recursively start building the kernel 1648# or the modules are listed in "prepare". 1649# A multi level approach is used. prepareN is processed before prepareN-1. 1650# archprepare is used in arch Makefiles and when processed asm symlink, 1651# version.h and scripts_basic is processed / created. 1652 1653# Listed in dependency order 1654PHONY += prepare archprepare prepare0 prepare1 prepare2 prepare3 1655 1656# prepare3 is used to check if we are building in a separate output directory, 1657# and if so do: 1658# 1) Check that make has not been executed in the kernel src $(srctree) 1659prepare3: include/config/uboot.release 1660ifneq ($(KBUILD_SRC),) 1661 @$(kecho) ' Using $(srctree) as source for U-Boot' 1662 $(Q)if [ -f $(srctree)/.config -o -d $(srctree)/include/config ]; then \ 1663 echo >&2 " $(srctree) is not clean, please run 'make mrproper'"; \ 1664 echo >&2 " in the '$(srctree)' directory.";\ 1665 /bin/false; \ 1666 fi; 1667endif 1668 1669# prepare2 creates a makefile if using a separate output directory 1670prepare2: prepare3 outputmakefile cfg 1671 1672prepare1: prepare2 $(version_h) $(timestamp_h) \ 1673 include/config/auto.conf 1674ifeq ($(wildcard $(LDSCRIPT)),) 1675 @echo >&2 " Could not find linker script." 1676 @/bin/false 1677endif 1678 1679ifeq ($(CONFIG_USE_DEFAULT_ENV_FILE),y) 1680prepare1: $(defaultenv_h) 1681endif 1682 1683archprepare: prepare1 scripts_basic 1684 1685prepare0: archprepare FORCE 1686 $(Q)$(MAKE) $(build)=. 1687 1688# All the preparing.. 1689prepare: prepare0 1690 1691# Generate some files 1692# --------------------------------------------------------------------------- 1693 1694define filechk_version.h 1695 (echo \#define PLAIN_VERSION \"$(UBOOTRELEASE)\"; \ 1696 echo \#define U_BOOT_VERSION \"U-Boot \" PLAIN_VERSION; \ 1697 echo \#define CC_VERSION_STRING \"$$(LC_ALL=C $(CC) --version | head -n 1)\"; \ 1698 echo \#define LD_VERSION_STRING \"$$(LC_ALL=C $(LD) --version | head -n 1)\"; ) 1699endef 1700 1701# The SOURCE_DATE_EPOCH mechanism requires a date that behaves like GNU date. 1702# The BSD date on the other hand behaves different and would produce errors 1703# with the misused '-d' switch. Respect that and search a working date with 1704# well known pre- and suffixes for the GNU variant of date. 1705define filechk_timestamp.h 1706 (if test -n "$${SOURCE_DATE_EPOCH}"; then \ 1707 SOURCE_DATE="@$${SOURCE_DATE_EPOCH}"; \ 1708 DATE=""; \ 1709 for date in gdate date.gnu date; do \ 1710 $${date} -u -d "$${SOURCE_DATE}" >/dev/null 2>&1 && DATE="$${date}"; \ 1711 done; \ 1712 if test -n "$${DATE}"; then \ 1713 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_DATE "%b %d %C%y"'; \ 1714 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_TIME "%T"'; \ 1715 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_TZ "%z"'; \ 1716 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_DMI_DATE "%m/%d/%Y"'; \ 1717 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_BUILD_DATE 0x%Y%m%d'; \ 1718 else \ 1719 return 42; \ 1720 fi; \ 1721 else \ 1722 LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"'; \ 1723 LC_ALL=C date +'#define U_BOOT_TIME "%T"'; \ 1724 LC_ALL=C date +'#define U_BOOT_TZ "%z"'; \ 1725 LC_ALL=C date +'#define U_BOOT_DMI_DATE "%m/%d/%Y"'; \ 1726 LC_ALL=C date +'#define U_BOOT_BUILD_DATE 0x%Y%m%d'; \ 1727 fi) 1728endef 1729 1730define filechk_defaultenv.h 1731 (grep -v '^#' | \ 1732 grep -v '^$$' | \ 1733 tr '\n' '\0' | \ 1734 sed -e 's/\\\x0/\n/g' | \ 1735 xxd -i ; echo ", 0x00" ; ) 1736endef 1737 1738$(version_h): include/config/uboot.release FORCE 1739 $(call filechk,version.h) 1740 1741$(timestamp_h): $(srctree)/Makefile FORCE 1742 $(call filechk,timestamp.h) 1743 1744$(defaultenv_h): $(CONFIG_DEFAULT_ENV_FILE:"%"=%) FORCE 1745 $(call filechk,defaultenv.h) 1746 1747# --------------------------------------------------------------------------- 1748quiet_cmd_cpp_lds = LDS $@ 1749cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) \ 1750 -D__ASSEMBLY__ -x assembler-with-cpp -std=c99 -P -o $@ $< 1751 1752u-boot.lds: $(LDSCRIPT) prepare FORCE 1753 $(call if_changed_dep,cpp_lds) 1754 1755spl/u-boot-spl.bin: spl/u-boot-spl 1756 @: 1757 $(SPL_SIZE_CHECK) 1758 1759spl/u-boot-spl: tools prepare \ 1760 $(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_SPL_OF_PLATDATA),dts/dt.dtb) \ 1761 $(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_TPL_OF_PLATDATA),dts/dt.dtb) 1762 $(Q)$(MAKE) obj=spl -f $(srctree)/scripts/Makefile.spl all 1763 1764spl/sunxi-spl.bin: spl/u-boot-spl 1765 @: 1766 1767spl/sunxi-spl-with-ecc.bin: spl/sunxi-spl.bin 1768 @: 1769 1770spl/u-boot-spl.sfp: spl/u-boot-spl 1771 @: 1772 1773spl/boot.bin: spl/u-boot-spl 1774 @: 1775 1776tpl/u-boot-tpl.bin: tools prepare \ 1777 $(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_SPL_OF_PLATDATA),dts/dt.dtb) 1778 $(Q)$(MAKE) obj=tpl -f $(srctree)/scripts/Makefile.spl all 1779 1780TAG_SUBDIRS := $(patsubst %,$(srctree)/%,$(u-boot-dirs) include) 1781 1782FIND := find 1783FINDFLAGS := -L 1784 1785tags ctags: 1786 ctags -w -o ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 1787 -name '*.[chS]' -print` 1788 ln -s ctags tags 1789 1790etags: 1791 etags -a -o etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 1792 -name '*.[chS]' -print` 1793cscope: 1794 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \ 1795 cscope.files 1796 cscope -b -q -k 1797 1798SYSTEM_MAP = \ 1799 $(NM) $1 | \ 1800 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \ 1801 LC_ALL=C sort 1802System.map: u-boot 1803 @$(call SYSTEM_MAP,$<) > $@ 1804 1805######################################################################### 1806 1807# ARM relocations should all be R_ARM_RELATIVE (32-bit) or 1808# R_AARCH64_RELATIVE (64-bit). 1809checkarmreloc: u-boot 1810 @RELOC="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \ 1811 grep R_A | sort -u`"; \ 1812 if test "$$RELOC" != "R_ARM_RELATIVE" -a \ 1813 "$$RELOC" != "R_AARCH64_RELATIVE"; then \ 1814 echo "$< contains unexpected relocations: $$RELOC"; \ 1815 false; \ 1816 fi 1817 1818envtools: scripts_basic $(version_h) $(timestamp_h) 1819 $(Q)$(MAKE) $(build)=tools/env 1820 1821tools-only: export TOOLS_ONLY=y 1822tools-only: scripts_basic $(version_h) $(timestamp_h) 1823 $(Q)$(MAKE) $(build)=tools 1824 1825tools-all: export HOST_TOOLS_ALL=y 1826tools-all: envtools tools ; 1827 1828cross_tools: export CROSS_BUILD_TOOLS=y 1829cross_tools: tools ; 1830 1831.PHONY : CHANGELOG 1832CHANGELOG: 1833 git log --no-merges U-Boot-1_1_5.. | \ 1834 unexpand -a | sed -e 's/\s\s*$$//' > $@ 1835 1836######################################################################### 1837 1838### 1839# Cleaning is done on three levels. 1840# make clean Delete most generated files 1841# Leave enough to build external modules 1842# make mrproper Delete the current configuration, and all generated files 1843# make distclean Remove editor backup files, patch leftover files and the like 1844 1845# Directories & files removed with 'make clean' 1846CLEAN_DIRS += $(MODVERDIR) \ 1847 $(foreach d, spl tpl, $(patsubst %,$d/%, \ 1848 $(filter-out include, $(shell ls -1 $d 2>/dev/null)))) 1849 1850CLEAN_FILES += include/bmp_logo.h include/bmp_logo_data.h \ 1851 boot* u-boot* MLO* SPL System.map fit-dtb.blob* 1852 1853# Directories & files removed with 'make mrproper' 1854MRPROPER_DIRS += include/config include/generated spl tpl \ 1855 .tmp_objdiff 1856MRPROPER_FILES += .config .config.old include/autoconf.mk* include/config.h \ 1857 ctags etags tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS \ 1858 drivers/video/fonts/*.S 1859 1860# clean - Delete most, but leave enough to build external modules 1861# 1862clean: rm-dirs := $(CLEAN_DIRS) 1863clean: rm-files := $(CLEAN_FILES) 1864 1865clean-dirs := $(foreach f,$(u-boot-alldirs),$(if $(wildcard $(srctree)/$f/Makefile),$f)) 1866 1867clean-dirs := $(addprefix _clean_, $(clean-dirs)) 1868 1869PHONY += $(clean-dirs) clean archclean 1870$(clean-dirs): 1871 $(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@) 1872 1873clean: $(clean-dirs) 1874 $(call cmd,rmdirs) 1875 $(call cmd,rmfiles) 1876 @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \ 1877 \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \ 1878 -o -name '*.ko.*' -o -name '*.su' -o -name '*.pyc' \ 1879 -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \ 1880 -o -name '*.lex.c' -o -name '*.tab.[ch]' \ 1881 -o -name '*.symtypes' -o -name 'modules.order' \ 1882 -o -name modules.builtin -o -name '.tmp_*.o.*' \ 1883 -o -name 'dsdt.aml' -o -name 'dsdt.asl.tmp' -o -name 'dsdt.c' \ 1884 -o -name '*.efi' -o -name '*.gcno' -o -name '*.so' \) \ 1885 -type f -print | xargs rm -f \ 1886 bl31.c bl31.elf bl31_*.bin image.map tispl.bin* 1887 1888# mrproper - Delete all generated files, including .config 1889# 1890mrproper: rm-dirs := $(wildcard $(MRPROPER_DIRS)) 1891mrproper: rm-files := $(wildcard $(MRPROPER_FILES)) 1892mrproper-dirs := $(addprefix _mrproper_,scripts) 1893 1894PHONY += $(mrproper-dirs) mrproper archmrproper 1895$(mrproper-dirs): 1896 $(Q)$(MAKE) $(clean)=$(patsubst _mrproper_%,%,$@) 1897 1898mrproper: clean $(mrproper-dirs) 1899 $(call cmd,rmdirs) 1900 $(call cmd,rmfiles) 1901 @rm -f arch/*/include/asm/arch 1902 1903# distclean 1904# 1905PHONY += distclean 1906 1907distclean: mrproper 1908 @find $(srctree) $(RCS_FIND_IGNORE) \ 1909 \( -name '*.orig' -o -name '*.rej' -o -name '*~' \ 1910 -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \ 1911 -o -name '.*.rej' -o -name '*%' -o -name 'core' \ 1912 -o -name '*.pyc' \) \ 1913 -type f -print | xargs rm -f 1914 @rm -f boards.cfg CHANGELOG 1915 1916backup: 1917 F=`basename $(srctree)` ; cd .. ; \ 1918 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F 1919 1920help: 1921 @echo 'Cleaning targets:' 1922 @echo ' clean - Remove most generated files but keep the config' 1923 @echo ' mrproper - Remove all generated files + config + various backup files' 1924 @echo ' distclean - mrproper + remove editor backup and patch files' 1925 @echo '' 1926 @echo 'Configuration targets:' 1927 @$(MAKE) -f $(srctree)/scripts/kconfig/Makefile help 1928 @echo '' 1929 @echo 'Test targets:' 1930 @echo '' 1931 @echo ' check - Run all automated tests that use sandbox' 1932 @echo ' qcheck - Run quick automated tests that use sandbox' 1933 @echo '' 1934 @echo 'Other generic targets:' 1935 @echo ' all - Build all necessary images depending on configuration' 1936 @echo ' tests - Build U-Boot for sandbox and run tests' 1937 @echo '* u-boot - Build the bare u-boot' 1938 @echo ' dir/ - Build all files in dir and below' 1939 @echo ' dir/file.[oisS] - Build specified target only' 1940 @echo ' dir/file.lst - Build specified mixed source/assembly target only' 1941 @echo ' (requires a recent binutils and recent build (System.map))' 1942 @echo ' tags/ctags - Generate ctags file for editors' 1943 @echo ' etags - Generate etags file for editors' 1944 @echo ' cscope - Generate cscope index' 1945 @echo ' ubootrelease - Output the release version string (use with make -s)' 1946 @echo ' ubootversion - Output the version stored in Makefile (use with make -s)' 1947 @echo " cfg - Don't build, just create the .cfg files" 1948 @echo " envtools - Build only the target-side environment tools" 1949 @echo '' 1950 @echo 'Static analysers' 1951 @echo ' checkstack - Generate a list of stack hogs' 1952 @echo ' coccicheck - Execute static code analysis with Coccinelle' 1953 @echo '' 1954 @echo 'Documentation targets:' 1955 @$(MAKE) -f $(srctree)/doc/Makefile dochelp 1956 @echo '' 1957 @echo ' make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build' 1958 @echo ' make V=2 [targets] 2 => give reason for rebuild of target' 1959 @echo ' make O=dir [targets] Locate all output files in "dir", including .config' 1960 @echo ' make C=1 [targets] Check all c source with $$CHECK (sparse by default)' 1961 @echo ' make C=2 [targets] Force check of all c source with $$CHECK' 1962 @echo ' make RECORDMCOUNT_WARN=1 [targets] Warn about ignored mcount sections' 1963 @echo ' make W=n [targets] Enable extra gcc checks, n=1,2,3 where' 1964 @echo ' 1: warnings which may be relevant and do not occur too often' 1965 @echo ' 2: warnings which occur quite often but may still be relevant' 1966 @echo ' 3: more obscure warnings, can most likely be ignored' 1967 @echo ' Multiple levels can be combined with W=12 or W=123' 1968 @echo '' 1969 @echo 'Execute "make" or "make all" to build all targets marked with [*] ' 1970 @echo 'For further info see the ./README file' 1971 1972tests check: 1973 $(srctree)/test/run 1974 1975qcheck: 1976 $(srctree)/test/run quick 1977 1978# Documentation targets 1979# --------------------------------------------------------------------------- 1980DOC_TARGETS := xmldocs latexdocs pdfdocs htmldocs epubdocs cleandocs \ 1981 linkcheckdocs dochelp refcheckdocs 1982PHONY += $(DOC_TARGETS) 1983$(DOC_TARGETS): scripts_basic FORCE 1984 $(Q)$(MAKE) $(build)=doc $@ 1985 1986endif #ifeq ($(config-targets),1) 1987endif #ifeq ($(mixed-targets),1) 1988 1989PHONY += checkstack ubootrelease ubootversion 1990 1991checkstack: 1992 $(OBJDUMP) -d u-boot $$(find . -name u-boot-spl) | \ 1993 $(PERL) $(src)/scripts/checkstack.pl $(ARCH) 1994 1995ubootrelease: 1996 @echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" 1997 1998ubootversion: 1999 @echo $(UBOOTVERSION) 2000
2001# Single targets 2002# --------------------------------------------------------------------------- 2003# Single targets are compatible with: 2004# - build with mixed source and output 2005# - build with separate output dir 'make O=...' 2006# - external modules 2007# 2008# target-dir => where to store outputfile 2009# build-dir => directory in kernel source tree to use 2010 2011ifeq ($(KBUILD_EXTMOD),) 2012 build-dir = $(patsubst %/,%,$(dir $@)) 2013 target-dir = $(dir $@) 2014else 2015 zap-slash=$(filter-out .,$(patsubst %/,%,$(dir $@))) 2016 build-dir = $(KBUILD_EXTMOD)$(if $(zap-slash),/$(zap-slash)) 2017 target-dir = $(if $(KBUILD_EXTMOD),$(dir $<),$(dir $@)) 2018endif 2019 2020%.s: %.c prepare scripts FORCE 2021 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 2022%.i: %.c prepare scripts FORCE 2023 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 2024%.o: %.c prepare scripts FORCE 2025 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 2026%.lst: %.c prepare scripts FORCE 2027 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 2028%.s: %.S prepare scripts FORCE 2029 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 2030%.o: %.S prepare scripts FORCE 2031 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 2032%.symtypes: %.c prepare scripts FORCE 2033 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 2034 2035# Modules 2036/: prepare scripts FORCE 2037 $(cmd_crmodverdir) 2038 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 2039 $(build)=$(build-dir) 2040%/: prepare scripts FORCE 2041 $(cmd_crmodverdir) 2042 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 2043 $(build)=$(build-dir) 2044%.ko: prepare scripts FORCE 2045 $(cmd_crmodverdir) 2046 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 2047 $(build)=$(build-dir) $(@:.ko=.o) 2048 $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost 2049 2050quiet_cmd_genenv = GENENV $@ 2051cmd_genenv = $(OBJCOPY) --dump-section .rodata.default_environment=$@ env/common.o; \ 2052 sed --in-place -e 's/\x00/\x0A/g' $@ 2053 2054u-boot-initial-env: u-boot.bin 2055 $(call if_changed,genenv) 2056 2057# Consistency checks 2058# --------------------------------------------------------------------------- 2059 2060PHONY += coccicheck 2061 2062coccicheck: 2063 $(Q)$(CONFIG_SHELL) $(srctree)/scripts/$@ 2064 2065# FIXME Should go into a make.lib or something 2066# =========================================================================== 2067 2068quiet_cmd_rmdirs = $(if $(wildcard $(rm-dirs)),CLEAN $(wildcard $(rm-dirs))) 2069 cmd_rmdirs = rm -rf $(rm-dirs) 2070 2071quiet_cmd_rmfiles = $(if $(wildcard $(rm-files)),CLEAN $(wildcard $(rm-files))) 2072 cmd_rmfiles = rm -f $(rm-files) 2073 2074# read all saved command lines 2075 2076targets := $(wildcard $(sort $(targets))) 2077cmd_files := $(wildcard .*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd)) 2078 2079ifneq ($(cmd_files),) 2080 $(cmd_files): ; # Do not try to update included dependency files 2081 include $(cmd_files) 2082endif 2083 2084endif # skip-makefile 2085 2086PHONY += FORCE 2087FORCE: 2088 2089# Declare the contents of the .PHONY variable as phony. We keep that 2090# information in a variable so we can use it in if_changed and friends. 2091.PHONY: $(PHONY) 2092