1# SPDX-License-Identifier: GPL-2.0+ 2 3VERSION = 2020 4PATCHLEVEL = 01 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=$(CURDIR) 19 20# Determine host architecture 21include include/host_arch.h 22MK_ARCH="${shell uname -m}" 23unexport HOST_ARCH 24ifeq ("x86_64", $(MK_ARCH)) 25 export HOST_ARCH=$(HOST_ARCH_X86_64) 26else ifneq (,$(findstring $(MK_ARCH), "i386" "i486" "i586" "i686")) 27 export HOST_ARCH=$(HOST_ARCH_X86) 28else ifneq (,$(findstring $(MK_ARCH), "aarch64" "armv8l")) 29 export HOST_ARCH=$(HOST_ARCH_AARCH64) 30else ifeq ("armv7l", $(MK_ARCH)) 31 export HOST_ARCH=$(HOST_ARCH_ARM) 32else ifeq ("riscv32", $(MK_ARCH)) 33 export HOST_ARCH=$(HOST_ARCH_RISCV32) 34else ifeq ("riscv64", $(MK_ARCH)) 35 export HOST_ARCH=$(HOST_ARCH_RISCV64) 36endif 37undefine MK_ARCH 38 39# Avoid funny character set dependencies 40unexport LC_ALL 41LC_COLLATE=C 42LC_NUMERIC=C 43export LC_COLLATE LC_NUMERIC 44 45# Avoid interference with shell env settings 46unexport GREP_OPTIONS 47 48# We are using a recursive build, so we need to do a little thinking 49# to get the ordering right. 50# 51# Most importantly: sub-Makefiles should only ever modify files in 52# their own directory. If in some directory we have a dependency on 53# a file in another dir (which doesn't happen often, but it's often 54# unavoidable when linking the built-in.o targets which finally 55# turn into vmlinux), we will call a sub make in that other dir, and 56# after that we are sure that everything which is in that other dir 57# is now up to date. 58# 59# The only cases where we need to modify files which have global 60# effects are thus separated out and done before the recursive 61# descending is started. They are now explicitly listed as the 62# prepare rule. 63 64# Beautify output 65# --------------------------------------------------------------------------- 66# 67# Normally, we echo the whole command before executing it. By making 68# that echo $($(quiet)$(cmd)), we now have the possibility to set 69# $(quiet) to choose other forms of output instead, e.g. 70# 71# quiet_cmd_cc_o_c = Compiling $(RELDIR)/$@ 72# cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $< 73# 74# If $(quiet) is empty, the whole command will be printed. 75# If it is set to "quiet_", only the short version will be printed. 76# If it is set to "silent_", nothing will be printed at all, since 77# the variable $(silent_cmd_cc_o_c) doesn't exist. 78# 79# A simple variant is to prefix commands with $(Q) - that's useful 80# for commands that shall be hidden in non-verbose mode. 81# 82# $(Q)ln $@ :< 83# 84# If KBUILD_VERBOSE equals 0 then the above command will be hidden. 85# If KBUILD_VERBOSE equals 1 then the above command is displayed. 86# 87# To put more focus on warnings, be less verbose as default 88# Use 'make V=1' to see the full commands 89 90ifeq ("$(origin V)", "command line") 91 KBUILD_VERBOSE = $(V) 92endif 93ifndef KBUILD_VERBOSE 94 KBUILD_VERBOSE = 0 95endif 96 97ifeq ($(KBUILD_VERBOSE),1) 98 quiet = 99 Q = 100else 101 quiet=quiet_ 102 Q = @ 103endif 104 105# If the user is running make -s (silent mode), suppress echoing of 106# commands 107 108ifneq ($(filter 4.%,$(MAKE_VERSION)),) # make-4 109ifneq ($(filter %s ,$(firstword x$(MAKEFLAGS))),) 110 quiet=silent_ 111endif 112else # make-3.8x 113ifneq ($(filter s% -s%,$(MAKEFLAGS)),) 114 quiet=silent_ 115endif 116endif 117 118export quiet Q KBUILD_VERBOSE 119 120# kbuild supports saving output files in a separate directory. 121# To locate output files in a separate directory two syntaxes are supported. 122# In both cases the working directory must be the root of the kernel src. 123# 1) O= 124# Use "make O=dir/to/store/output/files/" 125# 126# 2) Set KBUILD_OUTPUT 127# Set the environment variable KBUILD_OUTPUT to point to the directory 128# where the output files shall be placed. 129# export KBUILD_OUTPUT=dir/to/store/output/files/ 130# make 131# 132# The O= assignment takes precedence over the KBUILD_OUTPUT environment 133# variable. 134 135# KBUILD_SRC is set on invocation of make in OBJ directory 136# KBUILD_SRC is not intended to be used by the regular user (for now) 137ifeq ($(KBUILD_SRC),) 138 139# OK, Make called in directory where kernel src resides 140# Do we want to locate output files in a separate directory? 141ifeq ("$(origin O)", "command line") 142 KBUILD_OUTPUT := $(O) 143endif 144 145# That's our default target when none is given on the command line 146PHONY := _all 147_all: 148 149# Cancel implicit rules on top Makefile 150$(CURDIR)/Makefile Makefile: ; 151 152ifneq ($(KBUILD_OUTPUT),) 153# Invoke a second make in the output directory, passing relevant variables 154# check that the output directory actually exists 155saved-output := $(KBUILD_OUTPUT) 156KBUILD_OUTPUT := $(shell mkdir -p $(KBUILD_OUTPUT) && cd $(KBUILD_OUTPUT) \ 157 && /bin/pwd) 158$(if $(KBUILD_OUTPUT),, \ 159 $(error failed to create output directory "$(saved-output)")) 160 161PHONY += $(MAKECMDGOALS) sub-make 162 163$(filter-out _all sub-make $(CURDIR)/Makefile, $(MAKECMDGOALS)) _all: sub-make 164 @: 165 166sub-make: FORCE 167 $(Q)$(MAKE) -C $(KBUILD_OUTPUT) KBUILD_SRC=$(CURDIR) \ 168 -f $(CURDIR)/Makefile $(filter-out _all sub-make,$(MAKECMDGOALS)) 169 170# Leave processing to above invocation of make 171skip-makefile := 1 172endif # ifneq ($(KBUILD_OUTPUT),) 173endif # ifeq ($(KBUILD_SRC),) 174 175# We process the rest of the Makefile if this is the final invocation of make 176ifeq ($(skip-makefile),) 177 178# Do not print "Entering directory ...", 179# but we want to display it when entering to the output directory 180# so that IDEs/editors are able to understand relative filenames. 181MAKEFLAGS += --no-print-directory 182 183# Call a source code checker (by default, "sparse") as part of the 184# C compilation. 185# 186# Use 'make C=1' to enable checking of only re-compiled files. 187# Use 'make C=2' to enable checking of *all* source files, regardless 188# of whether they are re-compiled or not. 189# 190# See the file "doc/sparse.txt" for more details, including 191# where to get the "sparse" utility. 192 193ifeq ("$(origin C)", "command line") 194 KBUILD_CHECKSRC = $(C) 195endif 196ifndef KBUILD_CHECKSRC 197 KBUILD_CHECKSRC = 0 198endif 199 200# Use make M=dir to specify directory of external module to build 201# Old syntax make ... SUBDIRS=$PWD is still supported 202# Setting the environment variable KBUILD_EXTMOD take precedence 203ifdef SUBDIRS 204 KBUILD_EXTMOD ?= $(SUBDIRS) 205endif 206 207ifeq ("$(origin M)", "command line") 208 KBUILD_EXTMOD := $(M) 209endif 210 211# If building an external module we do not care about the all: rule 212# but instead _all depend on modules 213PHONY += all 214ifeq ($(KBUILD_EXTMOD),) 215_all: all 216else 217_all: modules 218endif 219 220ifeq ($(KBUILD_SRC),) 221 # building in the source tree 222 srctree := . 223else 224 ifeq ($(KBUILD_SRC)/,$(dir $(CURDIR))) 225 # building in a subdirectory of the source tree 226 srctree := .. 227 else 228 srctree := $(KBUILD_SRC) 229 endif 230endif 231objtree := . 232src := $(srctree) 233obj := $(objtree) 234 235VPATH := $(srctree)$(if $(KBUILD_EXTMOD),:$(KBUILD_EXTMOD)) 236 237export srctree objtree VPATH 238 239# Make sure CDPATH settings don't interfere 240unexport CDPATH 241 242######################################################################### 243 244HOSTARCH := $(shell uname -m | \ 245 sed -e s/i.86/x86/ \ 246 -e s/sun4u/sparc64/ \ 247 -e s/arm.*/arm/ \ 248 -e s/sa110/arm/ \ 249 -e s/ppc64/powerpc/ \ 250 -e s/ppc/powerpc/ \ 251 -e s/macppc/powerpc/\ 252 -e s/sh.*/sh/) 253 254HOSTOS := $(shell uname -s | tr '[:upper:]' '[:lower:]' | \ 255 sed -e 's/\(cygwin\).*/cygwin/') 256 257export HOSTARCH HOSTOS 258 259######################################################################### 260 261# set default to nothing for native builds 262ifeq ($(HOSTARCH),$(ARCH)) 263CROSS_COMPILE ?= 264endif 265 266KCONFIG_CONFIG ?= .config 267export KCONFIG_CONFIG 268 269# SHELL used by kbuild 270CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \ 271 else if [ -x /bin/bash ]; then echo /bin/bash; \ 272 else echo sh; fi ; fi) 273 274HOSTCC = cc 275HOSTCXX = c++ 276HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer \ 277 $(if $(CONFIG_TOOLS_DEBUG),-g) 278HOSTCXXFLAGS = -O2 279 280# With the move to GCC 6, we have implicitly upgraded our language 281# standard to GNU11 (see https://gcc.gnu.org/gcc-5/porting_to.html). 282# Some Linux distributions (including RHEL7, SLES13, Debian 8) still 283# have older compilers as their default, so we make it explicit for 284# these that our host tools are GNU11 (i.e. C11 w/ GNU extensions). 285CSTD_FLAG := -std=gnu11 286ifeq ($(HOSTOS),linux) 287HOSTCFLAGS += $(CSTD_FLAG) 288endif 289 290ifeq ($(HOSTOS),cygwin) 291HOSTCFLAGS += -ansi 292endif 293 294# Mac OS X / Darwin's C preprocessor is Apple specific. It 295# generates numerous errors and warnings. We want to bypass it 296# and use GNU C's cpp. To do this we pass the -traditional-cpp 297# option to the compiler. Note that the -traditional-cpp flag 298# DOES NOT have the same semantics as GNU C's flag, all it does 299# is invoke the GNU preprocessor in stock ANSI/ISO C fashion. 300# 301# Apple's linker is similar, thanks to the new 2 stage linking 302# multiple symbol definitions are treated as errors, hence the 303# -multiply_defined suppress option to turn off this error. 304# 305ifeq ($(HOSTOS),darwin) 306# get major and minor product version (e.g. '10' and '6' for Snow Leopard) 307DARWIN_MAJOR_VERSION = $(shell sw_vers -productVersion | cut -f 1 -d '.') 308DARWIN_MINOR_VERSION = $(shell sw_vers -productVersion | cut -f 2 -d '.') 309 310os_x_before = $(shell if [ $(DARWIN_MAJOR_VERSION) -le $(1) -a \ 311 $(DARWIN_MINOR_VERSION) -le $(2) ] ; then echo "$(3)"; else echo "$(4)"; fi ;) 312 313os_x_after = $(shell if [ $(DARWIN_MAJOR_VERSION) -ge $(1) -a \ 314 $(DARWIN_MINOR_VERSION) -ge $(2) ] ; then echo "$(3)"; else echo "$(4)"; fi ;) 315 316# Snow Leopards build environment has no longer restrictions as described above 317HOSTCC = $(call os_x_before, 10, 5, "cc", "gcc") 318HOSTCFLAGS += $(call os_x_before, 10, 4, "-traditional-cpp") 319HOSTLDFLAGS += $(call os_x_before, 10, 5, "-multiply_defined suppress") 320 321# since Lion (10.7) ASLR is on by default, but we use linker generated lists 322# in some host tools which is a problem then ... so disable ASLR for these 323# tools 324HOSTLDFLAGS += $(call os_x_before, 10, 7, "", "-Xlinker -no_pie") 325 326# macOS Mojave (10.14.X) 327# Undefined symbols for architecture x86_64: "_PyArg_ParseTuple" 328HOSTLDFLAGS += $(call os_x_after, 10, 14, "-lpython -dynamclib", "") 329endif 330 331# Decide whether to build built-in, modular, or both. 332# Normally, just do built-in. 333 334KBUILD_MODULES := 335KBUILD_BUILTIN := 1 336 337# If we have only "make modules", don't compile built-in objects. 338# When we're building modules with modversions, we need to consider 339# the built-in objects during the descend as well, in order to 340# make sure the checksums are up to date before we record them. 341 342ifeq ($(MAKECMDGOALS),modules) 343 KBUILD_BUILTIN := $(if $(CONFIG_MODVERSIONS),1) 344endif 345 346# If we have "make <whatever> modules", compile modules 347# in addition to whatever we do anyway. 348# Just "make" or "make all" shall build modules as well 349 350# U-Boot does not need modules 351#ifneq ($(filter all _all modules,$(MAKECMDGOALS)),) 352# KBUILD_MODULES := 1 353#endif 354 355#ifeq ($(MAKECMDGOALS),) 356# KBUILD_MODULES := 1 357#endif 358 359# Check ths size of a binary: 360# Args: 361# $1: File to check 362# #2: Size limit in bytes (decimal or 0xhex) 363define size_check 364 actual=$$( wc -c $1 | awk '{print $$1}'); \ 365 limit=$$( printf "%d" $2 ); \ 366 if test $$actual -gt $$limit; then \ 367 echo "$1 exceeds file size limit:" >&2; \ 368 echo " limit: $$(printf %#x $$limit) bytes" >&2; \ 369 echo " actual: $$(printf %#x $$actual) bytes" >&2; \ 370 echo " excess: $$(printf %#x $$((actual - limit))) bytes" >&2;\ 371 exit 1; \ 372 fi 373endef 374export size_check 375 376export KBUILD_MODULES KBUILD_BUILTIN 377export KBUILD_CHECKSRC KBUILD_SRC KBUILD_EXTMOD 378 379# We need some generic definitions (do not try to remake the file). 380scripts/Kbuild.include: ; 381include scripts/Kbuild.include 382 383# Make variables (CC, etc...) 384 385AS = $(CROSS_COMPILE)as 386# Always use GNU ld 387ifneq ($(shell $(CROSS_COMPILE)ld.bfd -v 2> /dev/null),) 388LD = $(CROSS_COMPILE)ld.bfd 389else 390LD = $(CROSS_COMPILE)ld 391endif 392CC = $(CROSS_COMPILE)gcc 393CPP = $(CC) -E 394AR = $(CROSS_COMPILE)ar 395NM = $(CROSS_COMPILE)nm 396LDR = $(CROSS_COMPILE)ldr 397STRIP = $(CROSS_COMPILE)strip 398OBJCOPY = $(CROSS_COMPILE)objcopy 399OBJDUMP = $(CROSS_COMPILE)objdump 400LEX = flex 401YACC = bison 402AWK = awk 403PERL = perl 404PYTHON ?= python 405PYTHON2 = python2 406PYTHON3 = python3 407DTC ?= $(objtree)/scripts/dtc/dtc 408CHECK = sparse 409 410CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \ 411 -Wbitwise -Wno-return-void -D__CHECK_ENDIAN__ $(CF) 412 413KBUILD_CPPFLAGS := -D__KERNEL__ -D__UBOOT__ 414 415KBUILD_CFLAGS := -Wall -Wstrict-prototypes \ 416 -Wno-format-security \ 417 -fno-builtin -ffreestanding $(CSTD_FLAG) 418KBUILD_CFLAGS += -fshort-wchar -fno-strict-aliasing 419KBUILD_AFLAGS := -D__ASSEMBLY__ 420 421# Don't generate position independent code 422KBUILD_CFLAGS += $(call cc-option,-fno-PIE) 423KBUILD_AFLAGS += $(call cc-option,-fno-PIE) 424 425# Read UBOOTRELEASE from include/config/uboot.release (if it exists) 426UBOOTRELEASE = $(shell cat include/config/uboot.release 2> /dev/null) 427UBOOTVERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SUBLEVEL)))$(EXTRAVERSION) 428 429export VERSION PATCHLEVEL SUBLEVEL UBOOTRELEASE UBOOTVERSION 430export ARCH CPU BOARD VENDOR SOC CPUDIR BOARDDIR 431export CONFIG_SHELL HOSTCC HOSTCFLAGS HOSTLDFLAGS CROSS_COMPILE AS LD CC 432export CPP AR NM LDR STRIP OBJCOPY OBJDUMP 433export MAKE LEX YACC AWK PERL PYTHON PYTHON2 PYTHON3 434export HOSTCXX HOSTCXXFLAGS CHECK CHECKFLAGS DTC DTC_FLAGS 435 436export KBUILD_CPPFLAGS NOSTDINC_FLAGS UBOOTINCLUDE OBJCOPYFLAGS LDFLAGS 437export KBUILD_CFLAGS KBUILD_AFLAGS 438 439# When compiling out-of-tree modules, put MODVERDIR in the module 440# tree rather than in the kernel tree. The kernel tree might 441# even be read-only. 442export MODVERDIR := $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/).tmp_versions 443 444# Files to ignore in find ... statements 445 446export RCS_FIND_IGNORE := \( -name SCCS -o -name BitKeeper -o -name .svn -o \ 447 -name CVS -o -name .pc -o -name .hg -o -name .git \) \ 448 -prune -o 449export RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn \ 450 --exclude CVS --exclude .pc --exclude .hg --exclude .git 451 452# =========================================================================== 453# Rules shared between *config targets and build targets 454 455# Basic helpers built in scripts/ 456PHONY += scripts_basic 457scripts_basic: 458 $(Q)$(MAKE) $(build)=scripts/basic 459 $(Q)rm -f .tmp_quiet_recordmcount 460 461# To avoid any implicit rule to kick in, define an empty command. 462scripts/basic/%: scripts_basic ; 463 464PHONY += outputmakefile 465# outputmakefile generates a Makefile in the output directory, if using a 466# separate output directory. This allows convenient use of make in the 467# output directory. 468outputmakefile: 469ifneq ($(KBUILD_SRC),) 470 $(Q)ln -fsn $(srctree) source 471 $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile \ 472 $(srctree) $(objtree) $(VERSION) $(PATCHLEVEL) 473endif 474 475# To make sure we do not include .config for any of the *config targets 476# catch them early, and hand them over to scripts/kconfig/Makefile 477# It is allowed to specify more targets when calling make, including 478# mixing *config targets and build targets. 479# For example 'make oldconfig all'. 480# Detect when mixed targets is specified, and make a second invocation 481# of make so .config is not included in this case either (for *config). 482 483version_h := include/generated/version_autogenerated.h 484timestamp_h := include/generated/timestamp_autogenerated.h 485defaultenv_h := include/generated/defaultenv_autogenerated.h 486 487no-dot-config-targets := clean clobber mrproper distclean \ 488 help %docs check% coccicheck \ 489 ubootversion backup tests check qcheck 490 491config-targets := 0 492mixed-targets := 0 493dot-config := 1 494 495ifneq ($(filter $(no-dot-config-targets), $(MAKECMDGOALS)),) 496 ifeq ($(filter-out $(no-dot-config-targets), $(MAKECMDGOALS)),) 497 dot-config := 0 498 endif 499endif 500 501ifeq ($(KBUILD_EXTMOD),) 502 ifneq ($(filter config %config,$(MAKECMDGOALS)),) 503 config-targets := 1 504 ifneq ($(words $(MAKECMDGOALS)),1) 505 mixed-targets := 1 506 endif 507 endif 508endif 509 510ifeq ($(mixed-targets),1) 511# =========================================================================== 512# We're called with mixed targets (*config and build targets). 513# Handle them one by one. 514 515PHONY += $(MAKECMDGOALS) __build_one_by_one 516 517$(filter-out __build_one_by_one, $(MAKECMDGOALS)): __build_one_by_one 518 @: 519 520__build_one_by_one: 521 $(Q)set -e; \ 522 for i in $(MAKECMDGOALS); do \ 523 $(MAKE) -f $(srctree)/Makefile $$i; \ 524 done 525 526else 527ifeq ($(config-targets),1) 528# =========================================================================== 529# *config targets only - make sure prerequisites are updated, and descend 530# in scripts/kconfig to make the *config target 531 532KBUILD_DEFCONFIG := sandbox_defconfig 533export KBUILD_DEFCONFIG KBUILD_KCONFIG 534 535config: scripts_basic outputmakefile FORCE 536 $(Q)$(MAKE) $(build)=scripts/kconfig $@ 537 538%config: scripts_basic outputmakefile FORCE 539 $(Q)$(MAKE) $(build)=scripts/kconfig $@ 540 541else 542# =========================================================================== 543# Build targets only - this includes vmlinux, arch specific targets, clean 544# targets and others. In general all targets except *config targets. 545 546# Additional helpers built in scripts/ 547# Carefully list dependencies so we do not try to build scripts twice 548# in parallel 549PHONY += scripts 550scripts: scripts_basic include/config/auto.conf 551 $(Q)$(MAKE) $(build)=$(@) 552 553ifeq ($(dot-config),1) 554# Read in config 555-include include/config/auto.conf 556 557# Read in dependencies to all Kconfig* files, make sure to run 558# oldconfig if changes are detected. 559-include include/config/auto.conf.cmd 560 561# To avoid any implicit rule to kick in, define an empty command 562$(KCONFIG_CONFIG) include/config/auto.conf.cmd: ; 563 564# If .config is newer than include/config/auto.conf, someone tinkered 565# with it and forgot to run make oldconfig. 566# if auto.conf.cmd is missing then we are probably in a cleaned tree so 567# we execute the config step to be sure to catch updated Kconfig files 568include/config/%.conf: $(KCONFIG_CONFIG) include/config/auto.conf.cmd 569 $(Q)$(MAKE) -f $(srctree)/Makefile syncconfig 570 @# If the following part fails, include/config/auto.conf should be 571 @# deleted so "make silentoldconfig" will be re-run on the next build. 572 $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.autoconf || \ 573 { rm -f include/config/auto.conf; false; } 574 @# include/config.h has been updated after "make silentoldconfig". 575 @# We need to touch include/config/auto.conf so it gets newer 576 @# than include/config.h. 577 @# Otherwise, 'make silentoldconfig' would be invoked twice. 578 $(Q)touch include/config/auto.conf 579 580u-boot.cfg spl/u-boot.cfg tpl/u-boot.cfg: 581 $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.autoconf $(@) 582 583-include include/autoconf.mk 584-include include/autoconf.mk.dep 585 586# We want to include arch/$(ARCH)/config.mk only when include/config/auto.conf 587# is up-to-date. When we switch to a different board configuration, old CONFIG 588# macros are still remaining in include/config/auto.conf. Without the following 589# gimmick, wrong config.mk would be included leading nasty warnings/errors. 590ifneq ($(wildcard $(KCONFIG_CONFIG)),) 591ifneq ($(wildcard include/config/auto.conf),) 592autoconf_is_old := $(shell find . -path ./$(KCONFIG_CONFIG) -newer \ 593 include/config/auto.conf) 594ifeq ($(autoconf_is_old),) 595include config.mk 596include arch/$(ARCH)/Makefile 597endif 598endif 599endif 600 601# These are set by the arch-specific config.mk. Make sure they are exported 602# so they can be used when building an EFI application. 603export EFI_LDS # Filename of EFI link script in arch/$(ARCH)/lib 604export EFI_CRT0 # Filename of EFI CRT0 in arch/$(ARCH)/lib 605export EFI_RELOC # Filename of EFU relocation code in arch/$(ARCH)/lib 606export CFLAGS_EFI # Compiler flags to add when building EFI app 607export CFLAGS_NON_EFI # Compiler flags to remove when building EFI app 608export EFI_TARGET # binutils target if EFI is natively supported 609 610# If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use 611# that (or fail if absent). Otherwise, search for a linker script in a 612# standard location. 613 614ifndef LDSCRIPT 615 #LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds.debug 616 ifdef CONFIG_SYS_LDSCRIPT 617 # need to strip off double quotes 618 LDSCRIPT := $(srctree)/$(CONFIG_SYS_LDSCRIPT:"%"=%) 619 endif 620endif 621 622# If there is no specified link script, we look in a number of places for it 623ifndef LDSCRIPT 624 ifeq ($(wildcard $(LDSCRIPT)),) 625 LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds 626 endif 627 ifeq ($(wildcard $(LDSCRIPT)),) 628 LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot.lds 629 endif 630 ifeq ($(wildcard $(LDSCRIPT)),) 631 LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot.lds 632 endif 633endif 634 635else 636# Dummy target needed, because used as prerequisite 637include/config/auto.conf: ; 638endif # $(dot-config) 639 640# 641# Xtensa linker script cannot be preprocessed with -ansi because of 642# preprocessor operations on strings that don't make C identifiers. 643# 644ifeq ($(CONFIG_XTENSA),) 645LDPPFLAGS += -ansi 646endif 647 648ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE 649KBUILD_CFLAGS += -Os 650else 651KBUILD_CFLAGS += -O2 652endif 653 654KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector) 655KBUILD_CFLAGS += $(call cc-option,-fno-delete-null-pointer-checks) 656 657# change __FILE__ to the relative path from the srctree 658KBUILD_CFLAGS += $(call cc-option,-fmacro-prefix-map=$(srctree)/=) 659 660KBUILD_CFLAGS += -g 661# $(KBUILD_AFLAGS) sets -g, which causes gcc to pass a suitable -g<format> 662# option to the assembler. 663KBUILD_AFLAGS += -g 664 665# Report stack usage if supported 666# ARC tools based on GCC 7.1 has an issue with stack usage 667# with naked functions, see commit message for more details 668ifndef CONFIG_ARC 669ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-stack-usage.sh $(CC)),y) 670 KBUILD_CFLAGS += -fstack-usage 671endif 672endif 673 674KBUILD_CFLAGS += $(call cc-option,-Wno-format-nonliteral) 675ifeq ($(cc-name),clang) 676KBUILD_CPPFLAGS += $(call cc-option,-Qunused-arguments,) 677KBUILD_CFLAGS += $(call cc-disable-warning, format-invalid-specifier) 678KBUILD_CFLAGS += $(call cc-disable-warning, gnu) 679KBUILD_CFLAGS += $(call cc-disable-warning, address-of-packed-member) 680KBUILD_CFLAGS += $(call cc-option, -fcatch-undefined-behavior) 681endif 682 683# turn jbsr into jsr for m68k 684ifeq ($(ARCH),m68k) 685ifeq ($(findstring 3.4,$(shell $(CC) --version)),3.4) 686KBUILD_AFLAGS += -Wa,-gstabs,-S 687endif 688endif 689 690# Prohibit date/time macros, which would make the build non-deterministic 691KBUILD_CFLAGS += $(call cc-option,-Werror=date-time) 692 693include scripts/Makefile.extrawarn 694 695# Add user supplied CPPFLAGS, AFLAGS and CFLAGS as the last assignments 696KBUILD_CPPFLAGS += $(KCPPFLAGS) 697KBUILD_AFLAGS += $(KAFLAGS) 698KBUILD_CFLAGS += $(KCFLAGS) 699 700# Use UBOOTINCLUDE when you must reference the include/ directory. 701# Needed to be compatible with the O= option 702UBOOTINCLUDE := \ 703 -Iinclude \ 704 $(if $(KBUILD_SRC), -I$(srctree)/include) \ 705 $(if $(CONFIG_$(SPL_)SYS_THUMB_BUILD), \ 706 $(if $(CONFIG_HAS_THUMB2),, \ 707 -I$(srctree)/arch/$(ARCH)/thumb1/include),) \ 708 -I$(srctree)/arch/$(ARCH)/include \ 709 -include $(srctree)/include/linux/kconfig.h 710 711NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include) 712CHECKFLAGS += $(NOSTDINC_FLAGS) 713 714# FIX ME 715cpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \ 716 $(NOSTDINC_FLAGS) 717c_flags := $(KBUILD_CFLAGS) $(cpp_flags) 718 719######################################################################### 720# U-Boot objects....order is important (i.e. start must be first) 721 722HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n) 723 724libs-y += lib/ 725libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/ 726libs-$(CONFIG_OF_EMBED) += dts/ 727libs-y += fs/ 728libs-y += net/ 729libs-y += disk/ 730libs-y += drivers/ 731libs-y += drivers/dma/ 732libs-y += drivers/gpio/ 733libs-y += drivers/i2c/ 734libs-y += drivers/net/ 735libs-y += drivers/net/phy/ 736libs-y += drivers/power/ \ 737 drivers/power/domain/ \ 738 drivers/power/fuel_gauge/ \ 739 drivers/power/mfd/ \ 740 drivers/power/pmic/ \ 741 drivers/power/battery/ \ 742 drivers/power/regulator/ 743libs-y += drivers/spi/ 744libs-$(CONFIG_FMAN_ENET) += drivers/net/fm/ 745libs-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/ 746libs-$(CONFIG_SYS_FSL_MMDC) += drivers/ddr/fsl/ 747libs-$(CONFIG_$(SPL_)ALTERA_SDRAM) += drivers/ddr/altera/ 748libs-y += drivers/serial/ 749libs-y += drivers/usb/cdns3/ 750libs-y += drivers/usb/dwc3/ 751libs-y += drivers/usb/common/ 752libs-y += drivers/usb/emul/ 753libs-y += drivers/usb/eth/ 754libs-$(CONFIG_USB_GADGET) += drivers/usb/gadget/ 755libs-$(CONFIG_USB_GADGET) += drivers/usb/gadget/udc/ 756libs-y += drivers/usb/host/ 757libs-y += drivers/usb/musb/ 758libs-y += drivers/usb/musb-new/ 759libs-y += drivers/usb/phy/ 760libs-y += drivers/usb/ulpi/ 761libs-y += cmd/ 762libs-y += common/ 763libs-y += env/ 764libs-$(CONFIG_API) += api/ 765libs-$(CONFIG_HAS_POST) += post/ 766libs-$(CONFIG_UNIT_TEST) += test/ test/dm/ 767libs-$(CONFIG_UT_ENV) += test/env/ 768libs-$(CONFIG_UT_OPTEE) += test/optee/ 769libs-$(CONFIG_UT_OVERLAY) += test/overlay/ 770 771libs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/) 772 773libs-y := $(sort $(libs-y)) 774 775u-boot-dirs := $(patsubst %/,%,$(filter %/, $(libs-y))) tools examples 776 777u-boot-alldirs := $(sort $(u-boot-dirs) $(patsubst %/,%,$(filter %/, $(libs-)))) 778 779libs-y := $(patsubst %/, %/built-in.o, $(libs-y)) 780 781u-boot-init := $(head-y) 782u-boot-main := $(libs-y) 783 784 785# Add GCC lib 786ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y) 787PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a 788else 789PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(c_flags) -print-libgcc-file-name`) -lgcc 790endif 791PLATFORM_LIBS += $(PLATFORM_LIBGCC) 792 793ifdef CONFIG_CC_COVERAGE 794KBUILD_CFLAGS += --coverage 795PLATFORM_LIBGCC += -lgcov 796endif 797 798export PLATFORM_LIBS 799export PLATFORM_LIBGCC 800 801# Special flags for CPP when processing the linker script. 802# Pass the version down so we can handle backwards compatibility 803# on the fly. 804LDPPFLAGS += \ 805 -include $(srctree)/include/u-boot/u-boot.lds.h \ 806 -DCPUDIR=$(CPUDIR) \ 807 $(shell $(LD) --version | \ 808 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 809 810######################################################################### 811######################################################################### 812 813ifneq ($(CONFIG_BOARD_SIZE_LIMIT),) 814BOARD_SIZE_CHECK= @ $(call size_check,$@,$(CONFIG_BOARD_SIZE_LIMIT)) 815else 816BOARD_SIZE_CHECK = 817endif 818 819ifneq ($(CONFIG_SPL_SIZE_LIMIT),0) 820SPL_SIZE_CHECK = @$(call size_check,$@,$$(tools/spl_size_limit)) 821else 822SPL_SIZE_CHECK = 823endif 824 825ifneq ($(CONFIG_TPL_SIZE_LIMIT),0) 826TPL_SIZE_CHECK = @$(call size_check,$@,$(CONFIG_TPL_SIZE_LIMIT)) 827else 828TPL_SIZE_CHECK = 829endif 830 831# Statically apply RELA-style relocations (currently arm64 only) 832# This is useful for arm64 where static relocation needs to be performed on 833# the raw binary, but certain simulators only accept an ELF file (but don't 834# do the relocation). 835ifneq ($(CONFIG_STATIC_RELA),) 836# $(1) is u-boot ELF, $(2) is u-boot bin, $(3) is text base 837DO_STATIC_RELA = \ 838 start=$$($(NM) $(1) | grep __rel_dyn_start | cut -f 1 -d ' '); \ 839 end=$$($(NM) $(1) | grep __rel_dyn_end | cut -f 1 -d ' '); \ 840 tools/relocate-rela $(2) $(3) $$start $$end 841else 842DO_STATIC_RELA = 843endif 844 845# Always append ALL so that arch config.mk's can add custom ones 846ALL-y += u-boot.srec u-boot.bin u-boot.sym System.map binary_size_check 847 848ALL-$(CONFIG_ONENAND_U_BOOT) += u-boot-onenand.bin 849ifeq ($(CONFIG_SPL_FSL_PBL),y) 850ALL-$(CONFIG_RAMBOOT_PBL) += u-boot-with-spl-pbl.bin 851else 852ifneq ($(CONFIG_SECURE_BOOT), y) 853# For Secure Boot The Image needs to be signed and Header must also 854# be included. So The image has to be built explicitly 855ALL-$(CONFIG_RAMBOOT_PBL) += u-boot.pbl 856endif 857endif 858ALL-$(CONFIG_SPL) += spl/u-boot-spl.bin 859ifeq ($(CONFIG_MX6)$(CONFIG_IMX_HAB), yy) 860ALL-$(CONFIG_SPL_FRAMEWORK) += u-boot-ivt.img 861else 862ifeq ($(CONFIG_MX7)$(CONFIG_IMX_HAB), yy) 863ALL-$(CONFIG_SPL_FRAMEWORK) += u-boot-ivt.img 864else 865ALL-$(CONFIG_SPL_FRAMEWORK) += u-boot.img 866endif 867endif 868ALL-$(CONFIG_TPL) += tpl/u-boot-tpl.bin 869ALL-$(CONFIG_OF_SEPARATE) += u-boot.dtb 870ifeq ($(CONFIG_SPL_FRAMEWORK),y) 871ALL-$(CONFIG_OF_SEPARATE) += u-boot-dtb.img 872endif 873ALL-$(CONFIG_OF_HOSTFILE) += u-boot.dtb 874ifneq ($(CONFIG_SPL_TARGET),) 875ALL-$(CONFIG_SPL) += $(CONFIG_SPL_TARGET:"%"=%) 876endif 877ALL-$(CONFIG_REMAKE_ELF) += u-boot.elf 878ALL-$(CONFIG_EFI_APP) += u-boot-app.efi 879ALL-$(CONFIG_EFI_STUB) += u-boot-payload.efi 880 881ifneq ($(BUILD_ROM)$(CONFIG_BUILD_ROM),) 882ALL-$(CONFIG_X86_RESET_VECTOR) += u-boot.rom 883endif 884 885# Build a combined spl + u-boot image for sunxi 886ifeq ($(CONFIG_ARCH_SUNXI)$(CONFIG_SPL),yy) 887ALL-y += u-boot-sunxi-with-spl.bin 888endif 889 890# enable combined SPL/u-boot/dtb rules for tegra 891ifeq ($(CONFIG_TEGRA)$(CONFIG_SPL),yy) 892ALL-y += u-boot-tegra.bin u-boot-nodtb-tegra.bin 893ALL-$(CONFIG_OF_SEPARATE) += u-boot-dtb-tegra.bin 894endif 895 896ALL-$(CONFIG_ARCH_MEDIATEK) += u-boot-mtk.bin 897 898# Add optional build target if defined in board/cpu/soc headers 899ifneq ($(CONFIG_BUILD_TARGET),) 900ALL-y += $(CONFIG_BUILD_TARGET:"%"=%) 901endif 902 903ifdef CONFIG_INIT_SP_RELATIVE 904ALL-y += init_sp_bss_offset_check 905endif 906 907ifeq ($(CONFIG_MPC85xx)$(CONFIG_OF_SEPARATE),yy) 908ALL-y += u-boot-with-dtb.bin 909endif 910 911ifeq ($(CONFIG_ARCH_ROCKCHIP)$(CONFIG_SPL)$(CONFIG_TPL),yyy) 912ALL-y += idbloader.img 913endif 914 915LDFLAGS_u-boot += $(LDFLAGS_FINAL) 916 917# Avoid 'Not enough room for program headers' error on binutils 2.28 onwards. 918LDFLAGS_u-boot += $(call ld-option, --no-dynamic-linker) 919 920ifeq ($(CONFIG_ARC)$(CONFIG_NIOS2)$(CONFIG_X86)$(CONFIG_XTENSA),) 921LDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE) 922endif 923 924# Normally we fill empty space with 0xff 925quiet_cmd_objcopy = OBJCOPY $@ 926cmd_objcopy = $(OBJCOPY) --gap-fill=0xff $(OBJCOPYFLAGS) \ 927 $(OBJCOPYFLAGS_$(@F)) $< $@ 928 929# Provide a version which does not do this, for use by EFI 930quiet_cmd_zobjcopy = OBJCOPY $@ 931cmd_zobjcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@ 932 933quiet_cmd_efipayload = OBJCOPY $@ 934cmd_efipayload = $(OBJCOPY) -I binary -O $(EFIPAYLOAD_BFDTARGET) -B $(EFIPAYLOAD_BFDARCH) $< $@ 935 936MKIMAGEOUTPUT ?= /dev/null 937 938quiet_cmd_mkimage = MKIMAGE $@ 939cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \ 940 >$(MKIMAGEOUTPUT) $(if $(KBUILD_VERBOSE:0=), && cat $(MKIMAGEOUTPUT)) 941 942quiet_cmd_mkfitimage = MKIMAGE $@ 943cmd_mkfitimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -f $(U_BOOT_ITS) -p $(CONFIG_FIT_EXTERNAL_OFFSET) $@\ 944 >$(MKIMAGEOUTPUT) $(if $(KBUILD_VERBOSE:0=), && cat $(MKIMAGEOUTPUT)) 945 946quiet_cmd_cat = CAT $@ 947cmd_cat = cat $(filter-out $(PHONY), $^) > $@ 948 949append = cat $(filter-out $< $(PHONY), $^) >> $@ 950 951quiet_cmd_pad_cat = CAT $@ 952cmd_pad_cat = $(cmd_objcopy) && $(append) || rm -f $@ 953 954cfg: u-boot.cfg 955 956quiet_cmd_cfgcheck = CFGCHK $2 957cmd_cfgcheck = $(srctree)/scripts/check-config.sh $2 \ 958 $(srctree)/scripts/config_whitelist.txt $(srctree) 959 960all: $(ALL-y) 961ifeq ($(CONFIG_DEPRECATED),y) 962 $(warning "You have deprecated configuration options enabled in your .config! Please check your configuration.") 963ifeq ($(CONFIG_SPI),y) 964ifneq ($(CONFIG_DM_SPI)$(CONFIG_OF_CONTROL),yy) 965 $(warning "The relevant config item with associated code will remove in v2019.07 release.") 966endif 967endif 968endif 969ifneq ($(CONFIG_DM),y) 970 @echo >&2 "===================== WARNING ======================" 971 @echo >&2 "This board does not use CONFIG_DM. CONFIG_DM will be" 972 @echo >&2 "compulsory starting with the v2020.01 release." 973 @echo >&2 "Failure to update may result in board removal." 974 @echo >&2 "See doc/driver-model/migration.rst for more info." 975 @echo >&2 "====================================================" 976endif 977ifeq ($(CONFIG_MMC),y) 978ifneq ($(CONFIG_DM_MMC)$(CONFIG_OF_CONTROL)$(CONFIG_BLK),yyy) 979 @echo >&2 "===================== WARNING ======================" 980 @echo >&2 "This board does not use CONFIG_DM_MMC. Please update" 981 @echo >&2 "the board to use CONFIG_DM_MMC before the v2019.04 release." 982 @echo >&2 "Failure to update by the deadline may result in board removal." 983 @echo >&2 "See doc/driver-model/MIGRATION.txt for more info." 984 @echo >&2 "====================================================" 985endif 986endif 987ifeq ($(CONFIG_USB),y) 988ifneq ($(CONFIG_DM_USB)$(CONFIG_OF_CONTROL)$(CONFIG_BLK),yyy) 989 @echo >&2 "===================== WARNING ======================" 990 @echo >&2 "This board does not use CONFIG_DM_USB. Please update" 991 @echo >&2 "the board to use CONFIG_DM_USB before the v2019.07 release." 992 @echo >&2 "Failure to update by the deadline may result in board removal." 993 @echo >&2 "See doc/driver-model/MIGRATION.txt for more info." 994 @echo >&2 "====================================================" 995endif 996endif 997ifeq ($(CONFIG_MVSATA_IDE),y) 998 @echo >&2 "===================== WARNING ======================" 999 @echo >&2 "This board does use CONFIG_MVSATA_IDE which is not" 1000 @echo >&2 "ported to driver-model (DM) yet. Please update the storage"
1001 @echo >&2 "controller driver to use CONFIG_AHCI before the v2019.07" 1002 @echo >&2 "release." 1003 @echo >&2 "Failure to update by the deadline may result in board removal." 1004 @echo >&2 "See doc/driver-model/MIGRATION.txt for more info." 1005 @echo >&2 "====================================================" 1006endif 1007ifeq ($(CONFIG_LIBATA),y) 1008ifneq ($(CONFIG_AHCI),y) 1009 @echo >&2 "===================== WARNING ======================" 1010 @echo >&2 "This board does use CONFIG_LIBATA but has CONFIG_AHCI not" 1011 @echo >&2 "enabled. Please update the storage controller driver to use" 1012 @echo >&2 "CONFIG_AHCI before the v2019.07 release." 1013 @echo >&2 "Failure to update by the deadline may result in board removal." 1014 @echo >&2 "See doc/driver-model/MIGRATION.txt for more info." 1015 @echo >&2 "====================================================" 1016endif 1017endif 1018ifeq ($(CONFIG_PCI),y) 1019ifneq ($(CONFIG_DM_PCI),y) 1020 @echo >&2 "===================== WARNING ======================" 1021 @echo >&2 "This board does not use CONFIG_DM_PCI Please update" 1022 @echo >&2 "the board to use CONFIG_DM_PCI before the v2019.07 release." 1023 @echo >&2 "Failure to update by the deadline may result in board removal." 1024 @echo >&2 "See doc/driver-model/MIGRATION.txt for more info." 1025 @echo >&2 "====================================================" 1026endif 1027endif 1028ifneq ($(CONFIG_LCD)$(CONFIG_VIDEO),) 1029ifneq ($(CONFIG_DM_VIDEO),y) 1030 @echo >&2 "===================== WARNING ======================" 1031 @echo >&2 "This board does not use CONFIG_DM_VIDEO Please update" 1032 @echo >&2 "the board to use CONFIG_DM_VIDEO before the v2019.07 release." 1033 @echo >&2 "Failure to update by the deadline may result in board removal." 1034 @echo >&2 "See doc/driver-model/MIGRATION.txt for more info." 1035 @echo >&2 "====================================================" 1036endif 1037endif 1038ifeq ($(CONFIG_OF_EMBED),y) 1039 @echo >&2 "===================== WARNING ======================" 1040 @echo >&2 "CONFIG_OF_EMBED is enabled. This option should only" 1041 @echo >&2 "be used for debugging purposes. Please use" 1042 @echo >&2 "CONFIG_OF_SEPARATE for boards in mainline." 1043 @echo >&2 "See doc/README.fdt-control for more info." 1044 @echo >&2 "====================================================" 1045endif 1046ifeq ($(CONFIG_SPI_FLASH),y) 1047ifneq ($(CONFIG_DM_SPI_FLASH)$(CONFIG_OF_CONTROL),yy) 1048 @echo >&2 "===================== WARNING ======================" 1049 @echo >&2 "This board does not use CONFIG_DM_SPI_FLASH. Please update" 1050 @echo >&2 "the board to use CONFIG_SPI_FLASH before the v2019.07 release." 1051 @echo >&2 "Failure to update by the deadline may result in board removal." 1052 @echo >&2 "See doc/driver-model/MIGRATION.txt for more info." 1053 @echo >&2 "====================================================" 1054endif 1055endif 1056ifneq ($(CONFIG_WATCHDOG)$(CONFIG_HW_WATCHDOG),) 1057ifneq ($(CONFIG_WDT),y) 1058 @echo >&2 "===================== WARNING ======================" 1059 @echo >&2 "This board does not use CONFIG_WDT (DM watchdog support)." 1060 @echo >&2 "Please update the board to use CONFIG_WDT before the" 1061 @echo >&2 "v2019.10 release." 1062 @echo >&2 "Failure to update by the deadline may result in board removal." 1063 @echo >&2 "See doc/driver-model/MIGRATION.txt for more info." 1064 @echo >&2 "====================================================" 1065endif 1066endif 1067ifneq ($(CONFIG_NET),) 1068ifneq ($(CONFIG_DM_ETH),y) 1069 @echo >&2 "===================== WARNING ======================" 1070 @echo >&2 "This board does not use CONFIG_DM_ETH (Driver Model" 1071 @echo >&2 "for Ethernet drivers). Please update the board to use" 1072 @echo >&2 "CONFIG_DM_ETH before the v2020.07 release. Failure to" 1073 @echo >&2 "update by the deadline may result in board removal." 1074 @echo >&2 "See doc/driver-model/migration.rst for more info." 1075 @echo >&2 "====================================================" 1076endif 1077endif 1078 @# Check that this build does not use CONFIG options that we do not 1079 @# know about unless they are in Kconfig. All the existing CONFIG 1080 @# options are whitelisted, so new ones should not be added. 1081 $(call cmd,cfgcheck,u-boot.cfg) 1082 1083PHONY += dtbs 1084dtbs: dts/dt.dtb 1085 @: 1086dts/dt.dtb: u-boot 1087 $(Q)$(MAKE) $(build)=dts dtbs 1088 1089quiet_cmd_copy = COPY $@ 1090 cmd_copy = cp $< $@ 1091 1092ifeq ($(CONFIG_MULTI_DTB_FIT),y) 1093 1094ifeq ($(CONFIG_MULTI_DTB_FIT_LZO),y) 1095FINAL_DTB_CONTAINER = fit-dtb.blob.lzo 1096else ifeq ($(CONFIG_MULTI_DTB_FIT_GZIP),y) 1097FINAL_DTB_CONTAINER = fit-dtb.blob.gz 1098else 1099FINAL_DTB_CONTAINER = fit-dtb.blob 1100endif 1101 1102fit-dtb.blob.gz: fit-dtb.blob 1103 @gzip -kf9 $< > $@ 1104 1105fit-dtb.blob.lzo: fit-dtb.blob 1106 @lzop -f9 $< > $@ 1107 1108fit-dtb.blob: dts/dt.dtb FORCE 1109 $(call if_changed,mkimage) 1110ifneq ($(SOURCE_DATE_EPOCH),) 1111 touch -d @$(SOURCE_DATE_EPOCH) fit-dtb.blob 1112 chmod 0600 fit-dtb.blob 1113endif 1114 1115MKIMAGEFLAGS_fit-dtb.blob = -f auto -A $(ARCH) -T firmware -C none -O u-boot \ 1116 -a 0 -e 0 -E \ 1117 $(patsubst %,-b arch/$(ARCH)/dts/%.dtb,$(subst ",,$(CONFIG_OF_LIST))) -d /dev/null 1118 1119ifneq ($(EXT_DTB),) 1120u-boot-fit-dtb.bin: u-boot-nodtb.bin $(EXT_DTB) 1121 $(call if_changed,cat) 1122else 1123u-boot-fit-dtb.bin: u-boot-nodtb.bin $(FINAL_DTB_CONTAINER) 1124 $(call if_changed,cat) 1125endif 1126 1127u-boot.bin: u-boot-fit-dtb.bin FORCE 1128 $(call if_changed,copy) 1129 1130u-boot-dtb.bin: u-boot-nodtb.bin dts/dt.dtb FORCE 1131 $(call if_changed,cat) 1132 1133else ifeq ($(CONFIG_OF_SEPARATE),y) 1134u-boot-dtb.bin: u-boot-nodtb.bin dts/dt.dtb FORCE 1135 $(call if_changed,cat) 1136 1137u-boot.bin: u-boot-dtb.bin FORCE 1138 $(call if_changed,copy) 1139else 1140u-boot.bin: u-boot-nodtb.bin FORCE 1141 $(call if_changed,copy) 1142endif 1143 1144# we call Makefile in arch/arm/mach-imx which 1145# has targets which are dependent on targets defined 1146# here. make could not resolve them and we must ensure 1147# that they are finished before calling imx targets 1148ifeq ($(CONFIG_MULTI_DTB_FIT),y) 1149IMX_DEPS = u-boot-fit-dtb.bin 1150endif 1151 1152%.imx: $(IMX_DEPS) %.bin 1153 $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@ 1154 $(BOARD_SIZE_CHECK) 1155 1156%.vyb: %.imx 1157 $(Q)$(MAKE) $(build)=arch/arm/cpu/armv7/vf610 $@ 1158 1159quiet_cmd_copy = COPY $@ 1160 cmd_copy = cp $< $@ 1161 1162u-boot.dtb: dts/dt.dtb 1163 $(call cmd,copy) 1164 1165OBJCOPYFLAGS_u-boot.hex := -O ihex 1166 1167OBJCOPYFLAGS_u-boot.srec := -O srec 1168 1169u-boot.hex u-boot.srec: u-boot FORCE 1170 $(call if_changed,objcopy) 1171 1172OBJCOPYFLAGS_u-boot-elf.srec := $(OBJCOPYFLAGS_u-boot.srec) 1173 1174u-boot-elf.srec: u-boot.elf FORCE 1175 $(call if_changed,objcopy) 1176 1177OBJCOPYFLAGS_u-boot-spl.srec = $(OBJCOPYFLAGS_u-boot.srec) 1178 1179spl/u-boot-spl.srec: spl/u-boot-spl FORCE 1180 $(call if_changed,objcopy) 1181 1182%.scif: %.srec 1183 $(Q)$(MAKE) $(build)=arch/arm/mach-rmobile $@ 1184 1185OBJCOPYFLAGS_u-boot-nodtb.bin := -O binary \ 1186 $(if $(CONFIG_X86_16BIT_INIT),-R .start16 -R .resetvec) \ 1187 $(if $(CONFIG_MPC85XX_HAVE_RESET_VECTOR),-R .bootpg -R .resetvec) 1188 1189OBJCOPYFLAGS_u-boot-spl.hex = $(OBJCOPYFLAGS_u-boot.hex) 1190 1191spl/u-boot-spl.hex: spl/u-boot-spl FORCE 1192 $(call if_changed,objcopy) 1193 1194binary_size_check: u-boot-nodtb.bin FORCE 1195 @file_size=$(shell wc -c u-boot-nodtb.bin | awk '{print $$1}') ; \ 1196 map_size=$(shell cat u-boot.map | \ 1197 awk '/_image_copy_start/ {start = $$1} /_image_binary_end/ {end = $$1} END {if (start != "" && end != "") print "ibase=16; " toupper(end) " - " toupper(start)}' \ 1198 | sed 's/0X//g' \ 1199 | bc); \ 1200 if [ "" != "$$map_size" ]; then \ 1201 if test $$map_size -ne $$file_size; then \ 1202 echo "u-boot.map shows a binary size of $$map_size" >&2 ; \ 1203 echo " but u-boot-nodtb.bin shows $$file_size" >&2 ; \ 1204 exit 1; \ 1205 fi \ 1206 fi 1207 1208ifdef CONFIG_INIT_SP_RELATIVE 1209ifneq ($(CONFIG_SYS_MALLOC_F_LEN),) 1210subtract_sys_malloc_f_len = space=$$(($${space} - $(CONFIG_SYS_MALLOC_F_LEN))) 1211else 1212subtract_sys_malloc_f_len = true 1213endif 1214# The 1/4 margin below is somewhat arbitrary. The likely initial SP usage is 1215# so low that the DTB could probably use 90%+ of the available space, for 1216# current values of CONFIG_SYS_INIT_SP_BSS_OFFSET at least. However, let's be 1217# safe for now and tweak this later if space becomes tight. 1218# A rejected alternative would be to check that some absolute minimum stack 1219# space was available. However, since CONFIG_SYS_INIT_SP_BSS_OFFSET is 1220# deliberately build-specific, to take account of build-to-build stack usage 1221# differences due to different feature sets, there is no common absolute value 1222# to check against. 1223init_sp_bss_offset_check: u-boot.dtb FORCE 1224 @dtb_size=$(shell wc -c u-boot.dtb | awk '{print $$1}') ; \ 1225 space=$(CONFIG_SYS_INIT_SP_BSS_OFFSET) ; \ 1226 $(subtract_sys_malloc_f_len) ; \ 1227 quarter_space=$$(($${space} / 4)) ; \ 1228 if [ $${dtb_size} -gt $${quarter_space} ]; then \ 1229 echo "u-boot.dtb is larger than 1 quarter of " >&2 ; \ 1230 echo "(CONFIG_SYS_INIT_SP_BSS_OFFSET - CONFIG_SYS_MALLOC_F_LEN)" >&2 ; \ 1231 exit 1 ; \ 1232 fi 1233endif 1234 1235u-boot-nodtb.bin: u-boot FORCE 1236 $(call if_changed,objcopy) 1237 $(call DO_STATIC_RELA,$<,$@,$(CONFIG_SYS_TEXT_BASE)) 1238 $(BOARD_SIZE_CHECK) 1239 1240u-boot.ldr: u-boot 1241 $(CREATE_LDR_ENV) 1242 $(LDR) -T $(CONFIG_CPU) -c $@ $< $(LDR_FLAGS) 1243 $(BOARD_SIZE_CHECK) 1244 1245# binman 1246# --------------------------------------------------------------------------- 1247# Use 'make BINMAN_DEBUG=1' to enable debugging 1248quiet_cmd_binman = BINMAN $@ 1249cmd_binman = $(srctree)/tools/binman/binman $(if $(BINMAN_DEBUG),-D) \ 1250 --toolpath $(objtree)/tools \ 1251 $(if $(BINMAN_VERBOSE),-v$(BINMAN_VERBOSE)) \ 1252 build -u -d u-boot.dtb -O . -m \ 1253 -I . -I $(srctree) -I $(srctree)/board/$(BOARDDIR) \ 1254 $(BINMAN_$(@F)) 1255 1256OBJCOPYFLAGS_u-boot.ldr.hex := -I binary -O ihex 1257 1258OBJCOPYFLAGS_u-boot.ldr.srec := -I binary -O srec 1259 1260u-boot.ldr.hex u-boot.ldr.srec: u-boot.ldr FORCE 1261 $(call if_changed,objcopy) 1262 1263# 1264# U-Boot entry point, needed for booting of full-blown U-Boot 1265# from the SPL U-Boot version. 1266# 1267ifndef CONFIG_SYS_UBOOT_START 1268CONFIG_SYS_UBOOT_START := 0 1269endif 1270 1271# Boards with more complex image requirements can provide an .its source file 1272# or a generator script 1273ifneq ($(CONFIG_SPL_FIT_SOURCE),"") 1274U_BOOT_ITS = $(subst ",,$(CONFIG_SPL_FIT_SOURCE)) 1275else 1276ifneq ($(CONFIG_SPL_FIT_GENERATOR),"") 1277U_BOOT_ITS := u-boot.its 1278ifeq ($(CONFIG_SPL_FIT_GENERATOR),"arch/arm/mach-imx/mkimage_fit_atf.sh") 1279U_BOOT_ITS_DEPS += u-boot-nodtb.bin 1280endif 1281ifeq ($(CONFIG_SPL_FIT_GENERATOR),"arch/arm/mach-rockchip/make_fit_atf.py") 1282U_BOOT_ITS_DEPS += u-boot 1283endif 1284$(U_BOOT_ITS): $(U_BOOT_ITS_DEPS) FORCE 1285 $(srctree)/$(CONFIG_SPL_FIT_GENERATOR) \ 1286 $(patsubst %,arch/$(ARCH)/dts/%.dtb,$(subst ",,$(CONFIG_OF_LIST))) > $@ 1287endif 1288endif 1289 1290ifdef CONFIG_SPL_LOAD_FIT 1291MKIMAGEFLAGS_u-boot.img = -f auto -A $(ARCH) -T firmware -C none -O u-boot \ 1292 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \ 1293 -p $(CONFIG_FIT_EXTERNAL_OFFSET) \ 1294 -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board" -E \ 1295 $(patsubst %,-b arch/$(ARCH)/dts/%.dtb,$(subst ",,$(CONFIG_OF_LIST))) 1296else 1297MKIMAGEFLAGS_u-boot.img = -A $(ARCH) -T firmware -C none -O u-boot \ 1298 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \ 1299 -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board" 1300MKIMAGEFLAGS_u-boot-ivt.img = -A $(ARCH) -T firmware_ivt -C none -O u-boot \ 1301 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \ 1302 -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board" 1303u-boot-ivt.img: MKIMAGEOUTPUT = u-boot-ivt.img.log 1304endif 1305 1306MKIMAGEFLAGS_u-boot-dtb.img = $(MKIMAGEFLAGS_u-boot.img) 1307 1308# Some boards have the kwbimage.cfg file written in advance, while some 1309# other boards generate it on the fly during the build in the build tree. 1310# Let's check if the file exists in the build tree first, otherwise we 1311# fall back to use the one in the source tree. 1312KWD_CONFIG_FILE = $(shell \ 1313 if [ -f $(objtree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%) ]; then \ 1314 echo -n $(objtree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%); \ 1315 else \ 1316 echo -n $(srctree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%); \ 1317 fi) 1318 1319MKIMAGEFLAGS_u-boot.kwb = -n $(KWD_CONFIG_FILE) \ 1320 -T kwbimage -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) 1321 1322MKIMAGEFLAGS_u-boot-spl.kwb = -n $(KWD_CONFIG_FILE) \ 1323 -T kwbimage -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) \ 1324 $(if $(KEYDIR),-k $(KEYDIR)) 1325 1326MKIMAGEFLAGS_u-boot.pbl = -n $(srctree)/$(CONFIG_SYS_FSL_PBL_RCW:"%"=%) \ 1327 -R $(srctree)/$(CONFIG_SYS_FSL_PBL_PBI:"%"=%) -T pblimage 1328 1329ifeq ($(CONFIG_MPC85xx)$(CONFIG_OF_SEPARATE),yy) 1330UBOOT_BIN := u-boot-with-dtb.bin 1331else 1332UBOOT_BIN := u-boot.bin 1333endif 1334 1335u-boot-dtb.img u-boot.img u-boot.kwb u-boot.pbl u-boot-ivt.img: \ 1336 $(if $(CONFIG_SPL_LOAD_FIT),u-boot-nodtb.bin \ 1337 $(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_OF_HOSTFILE),dts/dt.dtb) \ 1338 ,$(UBOOT_BIN)) FORCE 1339 $(call if_changed,mkimage) 1340 $(BOARD_SIZE_CHECK) 1341 1342ifeq ($(CONFIG_SPL_LOAD_FIT_FULL),y) 1343MKIMAGEFLAGS_u-boot.itb = 1344else 1345MKIMAGEFLAGS_u-boot.itb = -E 1346endif 1347 1348u-boot.itb: u-boot-nodtb.bin \ 1349 $(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_OF_HOSTFILE),dts/dt.dtb) \ 1350 $(U_BOOT_ITS) FORCE 1351 $(call if_changed,mkfitimage) 1352 $(BOARD_SIZE_CHECK) 1353 1354u-boot-spl.kwb: u-boot.img spl/u-boot-spl.bin FORCE 1355 $(call if_changed,mkimage) 1356 1357u-boot.sha1: u-boot.bin 1358 tools/ubsha1 u-boot.bin 1359 1360u-boot.dis: u-boot 1361 $(OBJDUMP) -d $< > $@ 1362 1363ifneq ($(CONFIG_SPL_PAYLOAD),) 1364SPL_PAYLOAD := $(CONFIG_SPL_PAYLOAD:"%"=%) 1365else 1366SPL_PAYLOAD := u-boot.bin 1367endif 1368 1369SPL_IMAGE := $(CONFIG_SPL_IMAGE:"%"=%) 1370 1371OBJCOPYFLAGS_u-boot-with-spl.bin = -I binary -O binary \ 1372 --pad-to=$(CONFIG_SPL_PAD_TO) 1373u-boot-with-spl.bin: $(SPL_IMAGE) $(SPL_PAYLOAD) FORCE 1374 $(call if_changed,pad_cat) 1375 1376ifeq ($(CONFIG_ARCH_ROCKCHIP),y) 1377MKIMAGEFLAGS_u-boot-tpl.img = -n $(CONFIG_SYS_SOC) -T rksd 1378tpl/u-boot-tpl.img: tpl/u-boot-tpl.bin FORCE 1379 $(call if_changed,mkimage) 1380idbloader.img: tpl/u-boot-tpl.img spl/u-boot-spl.bin FORCE 1381 $(call if_changed,cat) 1382endif 1383 1384ifeq ($(CONFIG_ARCH_LPC32XX)$(CONFIG_SPL),yy) 1385MKIMAGEFLAGS_lpc32xx-spl.img = -T lpc32xximage -a $(CONFIG_SPL_TEXT_BASE) 1386 1387lpc32xx-spl.img: spl/u-boot-spl.bin FORCE 1388 $(call if_changed,mkimage) 1389 1390OBJCOPYFLAGS_lpc32xx-boot-0.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) 1391 1392lpc32xx-boot-0.bin: lpc32xx-spl.img FORCE 1393 $(call if_changed,objcopy) 1394 1395OBJCOPYFLAGS_lpc32xx-boot-1.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) 1396 1397lpc32xx-boot-1.bin: lpc32xx-spl.img FORCE 1398 $(call if_changed,objcopy) 1399 1400lpc32xx-full.bin: lpc32xx-boot-0.bin lpc32xx-boot-1.bin u-boot.img FORCE 1401 $(call if_changed,cat) 1402 1403endif 1404 1405OBJCOPYFLAGS_u-boot-with-tpl.bin = -I binary -O binary \ 1406 --pad-to=$(CONFIG_TPL_PAD_TO) 1407tpl/u-boot-with-tpl.bin: tpl/u-boot-tpl.bin u-boot.bin FORCE 1408 $(call if_changed,pad_cat) 1409 1410SPL: spl/u-boot-spl.bin FORCE 1411 $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@ 1412 1413ifeq ($(CONFIG_ARCH_IMX8M)$(CONFIG_ARCH_IMX8), y) 1414ifeq ($(CONFIG_SPL_LOAD_IMX_CONTAINER), y) 1415u-boot.cnt: u-boot.bin FORCE 1416 $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@ 1417 1418flash.bin: spl/u-boot-spl.bin u-boot.cnt FORCE 1419 $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@ 1420else 1421flash.bin: spl/u-boot-spl.bin u-boot.itb FORCE 1422 $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@ 1423endif 1424endif 1425 1426u-boot-with-spl.imx u-boot-with-nand-spl.imx: SPL u-boot.bin FORCE 1427 $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@ 1428 1429MKIMAGEFLAGS_u-boot.ubl = -n $(UBL_CONFIG) -T ublimage -e $(CONFIG_SYS_TEXT_BASE) 1430 1431u-boot.ubl: u-boot-with-spl.bin FORCE 1432 $(call if_changed,mkimage) 1433 1434MKIMAGEFLAGS_u-boot-spl.ais = -s -n $(if $(CONFIG_AIS_CONFIG_FILE), \ 1435 $(srctree)/$(CONFIG_AIS_CONFIG_FILE:"%"=%),"/dev/null") \ 1436 -T aisimage -e $(CONFIG_SPL_TEXT_BASE) 1437spl/u-boot-spl.ais: spl/u-boot-spl.bin FORCE 1438 $(call if_changed,mkimage) 1439 1440OBJCOPYFLAGS_u-boot.ais = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) 1441u-boot.ais: spl/u-boot-spl.ais u-boot.img FORCE 1442 $(call if_changed,pad_cat) 1443 1444u-boot-signed.sb: u-boot.bin spl/u-boot-spl.bin 1445 $(Q)$(MAKE) $(build)=arch/arm/cpu/arm926ejs/mxs u-boot-signed.sb 1446u-boot.sb: u-boot.bin spl/u-boot-spl.bin 1447 $(Q)$(MAKE) $(build)=arch/arm/cpu/arm926ejs/mxs u-boot.sb 1448 1449# On x600 (SPEAr600) U-Boot is appended to U-Boot SPL. 1450# Both images are created using mkimage (crc etc), so that the ROM 1451# bootloader can check its integrity. Padding needs to be done to the 1452# SPL image (with mkimage header) and not the binary. Otherwise the resulting image 1453# which is loaded/copied by the ROM bootloader to SRAM doesn't fit. 1454# The resulting image containing both U-Boot images is called u-boot.spr 1455MKIMAGEFLAGS_u-boot-spl.img = -A $(ARCH) -T firmware -C none \ 1456 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER 1457spl/u-boot-spl.img: spl/u-boot-spl.bin FORCE 1458 $(call if_changed,mkimage) 1459 1460OBJCOPYFLAGS_u-boot.spr = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) \ 1461 --gap-fill=0xff 1462u-boot.spr: spl/u-boot-spl.img u-boot.img FORCE 1463 $(call if_changed,pad_cat) 1464 1465ifneq ($(CONFIG_ARCH_SOCFPGA),) 1466quiet_cmd_socboot = SOCBOOT $@ 1467cmd_socboot = cat spl/u-boot-spl.sfp spl/u-boot-spl.sfp \ 1468 spl/u-boot-spl.sfp spl/u-boot-spl.sfp \ 1469 u-boot.img > $@ || rm -f $@ 1470u-boot-with-spl.sfp: spl/u-boot-spl.sfp u-boot.img FORCE 1471 $(call if_changed,socboot) 1472 1473quiet_cmd_socnandboot = SOCNANDBOOT $@ 1474cmd_socnandboot = dd if=/dev/zero of=spl/u-boot-spl.pad bs=64 count=1024 ; \ 1475 cat spl/u-boot-spl.sfp spl/u-boot-spl.pad \ 1476 spl/u-boot-spl.sfp spl/u-boot-spl.pad \ 1477 spl/u-boot-spl.sfp spl/u-boot-spl.pad \ 1478 spl/u-boot-spl.sfp spl/u-boot-spl.pad \ 1479 u-boot.img > $@ || rm -f $@ spl/u-boot-spl.pad 1480u-boot-with-nand-spl.sfp: spl/u-boot-spl.sfp u-boot.img FORCE 1481 $(call if_changed,socnandboot) 1482 1483endif 1484 1485ifeq ($(CONFIG_MPC85xx)$(CONFIG_OF_SEPARATE),yy) 1486u-boot-with-dtb.bin: u-boot.bin u-boot.dtb \ 1487 $(if $(CONFIG_MPC85XX_HAVE_RESET_VECTOR), u-boot-br.bin) FORCE 1488 $(call if_changed,binman) 1489 1490ifeq ($(CONFIG_MPC85XX_HAVE_RESET_VECTOR),y) 1491OBJCOPYFLAGS_u-boot-br.bin := -O binary -j .bootpg -j .resetvec 1492u-boot-br.bin: u-boot FORCE 1493 $(call if_changed,objcopy) 1494endif 1495endif 1496 1497# x86 uses a large ROM. We fill it with 0xff, put the 16-bit stuff (including 1498# reset vector) at the top, Intel ME descriptor at the bottom, and U-Boot in 1499# the middle. This is handled by binman based on an image description in the 1500# board's device tree. 1501ifneq ($(CONFIG_X86_RESET_VECTOR),) 1502rom: u-boot.rom FORCE 1503 1504refcode.bin: $(srctree)/board/$(BOARDDIR)/refcode.bin FORCE 1505 $(call if_changed,copy) 1506 1507quiet_cmd_ldr = LD $@ 1508cmd_ldr = $(LD) $(LDFLAGS_$(@F)) \ 1509 $(filter-out FORCE,$^) -o $@ 1510 1511u-boot.rom: u-boot-x86-start16.bin u-boot-x86-reset16.bin u-boot.bin \ 1512 $(if $(CONFIG_SPL_X86_16BIT_INIT),spl/u-boot-spl.bin) \ 1513 $(if $(CONFIG_TPL_X86_16BIT_INIT),tpl/u-boot-tpl.bin) \ 1514 $(if $(CONFIG_HAVE_REFCODE),refcode.bin) FORCE 1515 $(call if_changed,binman) 1516 1517OBJCOPYFLAGS_u-boot-x86-start16.bin := -O binary -j .start16 1518u-boot-x86-start16.bin: u-boot FORCE 1519 $(call if_changed,objcopy) 1520 1521OBJCOPYFLAGS_u-boot-x86-reset16.bin := -O binary -j .resetvec 1522u-boot-x86-reset16.bin: u-boot FORCE 1523 $(call if_changed,objcopy) 1524endif 1525 1526ifneq ($(CONFIG_ARCH_SUNXI),) 1527ifeq ($(CONFIG_ARM64),) 1528u-boot-sunxi-with-spl.bin: spl/sunxi-spl.bin u-boot.img u-boot.dtb FORCE 1529 $(call if_changed,binman) 1530else 1531u-boot-sunxi-with-spl.bin: spl/sunxi-spl.bin u-boot.itb FORCE 1532 $(call if_changed,cat) 1533endif 1534endif 1535 1536ifneq ($(CONFIG_TEGRA),) 1537ifneq ($(CONFIG_BINMAN),) 1538# Makes u-boot-dtb-tegra.bin u-boot-tegra.bin u-boot-nodtb-tegra.bin 1539%-dtb-tegra.bin %-tegra.bin %-nodtb-tegra.bin: \ 1540 spl/%-spl %.bin FORCE 1541 $(call if_changed,binman) 1542else 1543OBJCOPYFLAGS_u-boot-nodtb-tegra.bin = -O binary --pad-to=$(CONFIG_SYS_TEXT_BASE) 1544u-boot-nodtb-tegra.bin: spl/u-boot-spl u-boot-nodtb.bin FORCE 1545 $(call if_changed,pad_cat) 1546 1547OBJCOPYFLAGS_u-boot-tegra.bin = -O binary --pad-to=$(CONFIG_SYS_TEXT_BASE) 1548u-boot-tegra.bin: spl/u-boot-spl u-boot.bin FORCE 1549 $(call if_changed,pad_cat) 1550 1551u-boot-dtb-tegra.bin: u-boot-tegra.bin FORCE 1552 $(call if_changed,copy) 1553endif # binman 1554endif 1555 1556OBJCOPYFLAGS_u-boot-app.efi := $(OBJCOPYFLAGS_EFI) 1557u-boot-app.efi: u-boot FORCE 1558 $(call if_changed,zobjcopy) 1559 1560u-boot.bin.o: u-boot.bin FORCE 1561 $(call if_changed,efipayload) 1562 1563u-boot-payload.lds: $(LDSCRIPT_EFI) FORCE 1564 $(call if_changed_dep,cpp_lds) 1565 1566# Rule to link the EFI payload which contains a stub and a U-Boot binary 1567quiet_cmd_u-boot_payload ?= LD $@ 1568 cmd_u-boot_payload ?= $(LD) $(LDFLAGS_EFI_PAYLOAD) -o $@ \ 1569 -T u-boot-payload.lds arch/x86/cpu/call32.o \ 1570 lib/efi/efi.o lib/efi/efi_stub.o u-boot.bin.o \ 1571 $(addprefix arch/$(ARCH)/lib/,$(EFISTUB)) 1572 1573u-boot-payload: u-boot.bin.o u-boot-payload.lds FORCE 1574 $(call if_changed,u-boot_payload) 1575 1576OBJCOPYFLAGS_u-boot-payload.efi := $(OBJCOPYFLAGS_EFI) 1577u-boot-payload.efi: u-boot-payload FORCE 1578 $(call if_changed,zobjcopy) 1579 1580u-boot-img.bin: spl/u-boot-spl.bin u-boot.img FORCE 1581 $(call if_changed,cat) 1582 1583#Add a target to create boot binary having SPL binary in PBI format 1584#concatenated with u-boot binary. It is need by PowerPC SoC having 1585#internal SRAM <= 512KB. 1586MKIMAGEFLAGS_u-boot-spl.pbl = -n $(srctree)/$(CONFIG_SYS_FSL_PBL_RCW:"%"=%) \ 1587 -R $(srctree)/$(CONFIG_SYS_FSL_PBL_PBI:"%"=%) -T pblimage \ 1588 -A $(ARCH) -a $(CONFIG_SPL_TEXT_BASE) 1589 1590spl/u-boot-spl.pbl: spl/u-boot-spl.bin FORCE 1591 $(call if_changed,mkimage) 1592 1593ifeq ($(ARCH),arm) 1594UBOOT_BINLOAD := u-boot.img 1595else 1596ifeq ($(CONFIG_MPC85xx)$(CONFIG_OF_SEPARATE),yy) 1597UBOOT_BINLOAD := u-boot-with-dtb.bin 1598else 1599UBOOT_BINLOAD := u-boot.bin 1600endif 1601endif 1602 1603OBJCOPYFLAGS_u-boot-with-spl-pbl.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) \ 1604 --gap-fill=0xff 1605 1606u-boot-with-spl-pbl.bin: spl/u-boot-spl.pbl $(UBOOT_BINLOAD) FORCE 1607 $(call if_changed,pad_cat) 1608 1609# PPC4xx needs the SPL at the end of the image, since the reset vector 1610# is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target 1611# and need to introduce a new build target with the full blown U-Boot 1612# at the start padded up to the start of the SPL image. And then concat 1613# the SPL image to the end. 1614 1615OBJCOPYFLAGS_u-boot-img-spl-at-end.bin := -I binary -O binary \ 1616 --pad-to=$(CONFIG_UBOOT_PAD_TO) --gap-fill=0xff 1617u-boot-img-spl-at-end.bin: u-boot.img spl/u-boot-spl.bin FORCE 1618 $(call if_changed,pad_cat) 1619 1620# Create a new ELF from a raw binary file. 1621ifndef PLATFORM_ELFENTRY 1622 PLATFORM_ELFENTRY = "_start" 1623endif 1624quiet_cmd_u-boot-elf ?= LD $@ 1625 cmd_u-boot-elf ?= $(LD) u-boot-elf.o -o $@ \ 1626 --defsym=$(PLATFORM_ELFENTRY)=$(CONFIG_SYS_TEXT_BASE) \ 1627 -Ttext=$(CONFIG_SYS_TEXT_BASE) 1628u-boot.elf: u-boot.bin 1629 $(Q)$(OBJCOPY) -I binary $(PLATFORM_ELFFLAGS) $< u-boot-elf.o 1630 $(call if_changed,u-boot-elf) 1631 1632# MediaTek's ARM-based u-boot needs a header to contains its load address 1633# which is parsed by the BootROM. 1634# If the SPL build is enabled, the header will be added to the spl binary, 1635# and the spl binary and the u-boot.img will be combined into one file. 1636# Otherwise the header will be added to the u-boot.bin directly. 1637 1638ifeq ($(CONFIG_SPL),y) 1639spl/u-boot-spl-mtk.bin: spl/u-boot-spl 1640 1641u-boot-mtk.bin: u-boot.dtb u-boot.img spl/u-boot-spl-mtk.bin FORCE 1642 $(call if_changed,binman) 1643else 1644MKIMAGEFLAGS_u-boot-mtk.bin = -T mtk_image \ 1645 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) \ 1646 -n "$(patsubst "%",%,$(CONFIG_MTK_BROM_HEADER_INFO))" 1647 1648u-boot-mtk.bin: u-boot.bin FORCE 1649 $(call if_changed,mkimage) 1650endif 1651 1652ARCH_POSTLINK := $(wildcard $(srctree)/arch/$(ARCH)/Makefile.postlink) 1653 1654# Rule to link u-boot 1655# May be overridden by arch/$(ARCH)/config.mk 1656quiet_cmd_u-boot__ ?= LD $@ 1657 cmd_u-boot__ ?= $(LD) $(LDFLAGS) $(LDFLAGS_u-boot) -o $@ \ 1658 -T u-boot.lds $(u-boot-init) \ 1659 --start-group $(u-boot-main) --end-group \ 1660 $(PLATFORM_LIBS) -Map u-boot.map; \ 1661 $(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true) 1662 1663quiet_cmd_smap = GEN common/system_map.o 1664cmd_smap = \ 1665 smap=`$(call SYSTEM_MAP,u-boot) | \ 1666 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \ 1667 $(CC) $(c_flags) -DSYSTEM_MAP="\"$${smap}\"" \ 1668 -c $(srctree)/common/system_map.c -o common/system_map.o 1669 1670u-boot: $(u-boot-init) $(u-boot-main) u-boot.lds FORCE 1671 +$(call if_changed,u-boot__) 1672ifeq ($(CONFIG_KALLSYMS),y) 1673 $(call cmd,smap) 1674 $(call cmd,u-boot__) common/system_map.o 1675endif 1676 1677ifeq ($(CONFIG_RISCV),y) 1678 @tools/prelink-riscv $@ 0 1679endif 1680 1681quiet_cmd_sym ?= SYM $@ 1682 cmd_sym ?= $(OBJDUMP) -t $< > $@ 1683u-boot.sym: u-boot FORCE 1684 $(call if_changed,sym) 1685 1686# The actual objects are generated when descending, 1687# make sure no implicit rule kicks in 1688$(sort $(u-boot-init) $(u-boot-main)): $(u-boot-dirs) ; 1689 1690# Handle descending into subdirectories listed in $(u-boot-dirs) 1691# Preset locale variables to speed up the build process. Limit locale 1692# tweaks to this spot to avoid wrong language settings when running 1693# make menuconfig etc. 1694# Error messages still appears in the original language 1695 1696PHONY += $(u-boot-dirs) 1697$(u-boot-dirs): prepare scripts 1698 $(Q)$(MAKE) $(build)=$@ 1699 1700tools: prepare 1701# The "tools" are needed early 1702$(filter-out tools, $(u-boot-dirs)): tools 1703# The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC 1704# is "yes"), so compile examples after U-Boot is compiled. 1705examples: $(filter-out examples, $(u-boot-dirs)) 1706 1707define filechk_uboot.release 1708 echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" 1709endef 1710 1711# Store (new) UBOOTRELEASE string in include/config/uboot.release 1712include/config/uboot.release: include/config/auto.conf FORCE 1713 $(call filechk,uboot.release) 1714 1715 1716# Things we need to do before we recursively start building the kernel 1717# or the modules are listed in "prepare". 1718# A multi level approach is used. prepareN is processed before prepareN-1. 1719# archprepare is used in arch Makefiles and when processed asm symlink, 1720# version.h and scripts_basic is processed / created. 1721 1722# Listed in dependency order 1723PHONY += prepare archprepare prepare0 prepare1 prepare2 prepare3 1724 1725# prepare3 is used to check if we are building in a separate output directory, 1726# and if so do: 1727# 1) Check that make has not been executed in the kernel src $(srctree) 1728prepare3: include/config/uboot.release 1729ifneq ($(KBUILD_SRC),) 1730 @$(kecho) ' Using $(srctree) as source for U-Boot' 1731 $(Q)if [ -f $(srctree)/.config -o -d $(srctree)/include/config ]; then \ 1732 echo >&2 " $(srctree) is not clean, please run 'make mrproper'"; \ 1733 echo >&2 " in the '$(srctree)' directory.";\ 1734 /bin/false; \ 1735 fi; 1736endif 1737 1738# prepare2 creates a makefile if using a separate output directory 1739prepare2: prepare3 outputmakefile cfg 1740 1741prepare1: prepare2 $(version_h) $(timestamp_h) \ 1742 include/config/auto.conf 1743ifeq ($(wildcard $(LDSCRIPT)),) 1744 @echo >&2 " Could not find linker script." 1745 @/bin/false 1746endif 1747 1748ifeq ($(CONFIG_USE_DEFAULT_ENV_FILE),y) 1749prepare1: $(defaultenv_h) 1750endif 1751 1752archprepare: prepare1 scripts_basic 1753 1754prepare0: archprepare FORCE 1755 $(Q)$(MAKE) $(build)=. 1756 1757# All the preparing.. 1758prepare: prepare0 1759 1760# Generate some files 1761# --------------------------------------------------------------------------- 1762 1763define filechk_version.h 1764 (echo \#define PLAIN_VERSION \"$(UBOOTRELEASE)\"; \ 1765 echo \#define U_BOOT_VERSION \"U-Boot \" PLAIN_VERSION; \ 1766 echo \#define CC_VERSION_STRING \"$$(LC_ALL=C $(CC) --version | head -n 1)\"; \ 1767 echo \#define LD_VERSION_STRING \"$$(LC_ALL=C $(LD) --version | head -n 1)\"; ) 1768endef 1769 1770# The SOURCE_DATE_EPOCH mechanism requires a date that behaves like GNU date. 1771# The BSD date on the other hand behaves different and would produce errors 1772# with the misused '-d' switch. Respect that and search a working date with 1773# well known pre- and suffixes for the GNU variant of date. 1774define filechk_timestamp.h 1775 (if test -n "$${SOURCE_DATE_EPOCH}"; then \ 1776 SOURCE_DATE="@$${SOURCE_DATE_EPOCH}"; \ 1777 DATE=""; \ 1778 for date in gdate date.gnu date; do \ 1779 $${date} -u -d "$${SOURCE_DATE}" >/dev/null 2>&1 && DATE="$${date}"; \ 1780 done; \ 1781 if test -n "$${DATE}"; then \ 1782 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_DATE "%b %d %C%y"'; \ 1783 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_TIME "%T"'; \ 1784 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_TZ "%z"'; \ 1785 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_DMI_DATE "%m/%d/%Y"'; \ 1786 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_BUILD_DATE 0x%Y%m%d'; \ 1787 else \ 1788 return 42; \ 1789 fi; \ 1790 else \ 1791 LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"'; \ 1792 LC_ALL=C date +'#define U_BOOT_TIME "%T"'; \ 1793 LC_ALL=C date +'#define U_BOOT_TZ "%z"'; \ 1794 LC_ALL=C date +'#define U_BOOT_DMI_DATE "%m/%d/%Y"'; \ 1795 LC_ALL=C date +'#define U_BOOT_BUILD_DATE 0x%Y%m%d'; \ 1796 fi) 1797endef 1798 1799define filechk_defaultenv.h 1800 (grep -v '^#' | \ 1801 grep -v '^$$' | \ 1802 tr '\n' '\0' | \ 1803 sed -e 's/\\\x0/\n/g' | \ 1804 xxd -i ; echo ", 0x00" ; ) 1805endef 1806 1807$(version_h): include/config/uboot.release FORCE 1808 $(call filechk,version.h) 1809 1810$(timestamp_h): $(srctree)/Makefile FORCE 1811 $(call filechk,timestamp.h) 1812 1813$(defaultenv_h): $(CONFIG_DEFAULT_ENV_FILE:"%"=%) FORCE 1814 $(call filechk,defaultenv.h) 1815 1816# --------------------------------------------------------------------------- 1817quiet_cmd_cpp_lds = LDS $@ 1818cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) \ 1819 -D__ASSEMBLY__ -x assembler-with-cpp -std=c99 -P -o $@ $< 1820 1821u-boot.lds: $(LDSCRIPT) prepare FORCE 1822 $(call if_changed_dep,cpp_lds) 1823 1824spl/u-boot-spl.bin: spl/u-boot-spl 1825 @: 1826 $(SPL_SIZE_CHECK) 1827 1828spl/u-boot-spl: tools prepare \ 1829 $(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_SPL_OF_PLATDATA),dts/dt.dtb) \ 1830 $(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_TPL_OF_PLATDATA),dts/dt.dtb) 1831 $(Q)$(MAKE) obj=spl -f $(srctree)/scripts/Makefile.spl all 1832 1833spl/sunxi-spl.bin: spl/u-boot-spl 1834 @: 1835 1836spl/sunxi-spl-with-ecc.bin: spl/sunxi-spl.bin 1837 @: 1838 1839spl/u-boot-spl.sfp: spl/u-boot-spl 1840 @: 1841 1842spl/boot.bin: spl/u-boot-spl 1843 @: 1844 1845tpl/u-boot-tpl.bin: tools prepare \ 1846 $(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_SPL_OF_PLATDATA),dts/dt.dtb) 1847 $(Q)$(MAKE) obj=tpl -f $(srctree)/scripts/Makefile.spl all 1848 $(TPL_SIZE_CHECK) 1849 1850TAG_SUBDIRS := $(patsubst %,$(srctree)/%,$(u-boot-dirs) include) 1851 1852FIND := find 1853FINDFLAGS := -L 1854 1855tags ctags: 1856 ctags -w -o ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 1857 -name '*.[chS]' -print` 1858 ln -s ctags tags 1859 1860etags: 1861 etags -a -o etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 1862 -name '*.[chS]' -print` 1863cscope: 1864 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \ 1865 cscope.files 1866 @find $(TAG_SUBDIRS) -name '*.[chS]' -type l -print | \ 1867 grep -xvf - cscope.files > cscope.files.no-symlinks; \ 1868 mv cscope.files.no-symlinks cscope.files 1869 cscope -b -q -k 1870 1871SYSTEM_MAP = \ 1872 $(NM) $1 | \ 1873 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \ 1874 LC_ALL=C sort 1875System.map: u-boot 1876 @$(call SYSTEM_MAP,$<) > $@ 1877 1878######################################################################### 1879 1880# ARM relocations should all be R_ARM_RELATIVE (32-bit) or 1881# R_AARCH64_RELATIVE (64-bit). 1882checkarmreloc: u-boot 1883 @RELOC="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \ 1884 grep R_A | sort -u`"; \ 1885 if test "$$RELOC" != "R_ARM_RELATIVE" -a \ 1886 "$$RELOC" != "R_AARCH64_RELATIVE"; then \ 1887 echo "$< contains unexpected relocations: $$RELOC"; \ 1888 false; \ 1889 fi 1890 1891tools/version.h: include/version.h 1892 $(Q)mkdir -p $(dir $@) 1893 $(call if_changed,copy) 1894 1895envtools: scripts_basic $(version_h) $(timestamp_h) tools/version.h 1896 $(Q)$(MAKE) $(build)=tools/env 1897 1898tools-only: export TOOLS_ONLY=y 1899tools-only: scripts_basic $(version_h) $(timestamp_h) tools/version.h 1900 $(Q)$(MAKE) $(build)=tools 1901 1902tools-all: export HOST_TOOLS_ALL=y 1903tools-all: envtools tools ; 1904 1905cross_tools: export CROSS_BUILD_TOOLS=y 1906cross_tools: tools ; 1907 1908.PHONY : CHANGELOG 1909CHANGELOG: 1910 git log --no-merges U-Boot-1_1_5.. | \ 1911 unexpand -a | sed -e 's/\s\s*$$//' > $@ 1912 1913######################################################################### 1914 1915### 1916# Cleaning is done on three levels. 1917# make clean Delete most generated files 1918# Leave enough to build external modules 1919# make mrproper Delete the current configuration, and all generated files 1920# make distclean Remove editor backup files, patch leftover files and the like 1921 1922# Directories & files removed with 'make clean' 1923CLEAN_DIRS += $(MODVERDIR) \ 1924 $(foreach d, spl tpl, $(patsubst %,$d/%, \ 1925 $(filter-out include, $(shell ls -1 $d 2>/dev/null)))) 1926 1927CLEAN_FILES += include/bmp_logo.h include/bmp_logo_data.h tools/version.h \ 1928 boot* u-boot* MLO* SPL System.map fit-dtb.blob* \ 1929 u-boot-ivt.img.log u-boot-dtb.imx.log SPL.log u-boot.imx.log \ 1930 lpc32xx-* bl31.c bl31.elf bl31_*.bin image.map tispl.bin* \ 1931 idbloader.img 1932 1933# Directories & files removed with 'make mrproper' 1934MRPROPER_DIRS += include/config include/generated spl tpl \ 1935 .tmp_objdiff 1936MRPROPER_FILES += .config .config.old include/autoconf.mk* include/config.h \ 1937 ctags etags tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS \ 1938 drivers/video/fonts/*.S 1939 1940# clean - Delete most, but leave enough to build external modules 1941# 1942clean: rm-dirs := $(CLEAN_DIRS) 1943clean: rm-files := $(CLEAN_FILES) 1944 1945clean-dirs := $(foreach f,$(u-boot-alldirs),$(if $(wildcard $(srctree)/$f/Makefile),$f)) 1946 1947clean-dirs := $(addprefix _clean_, $(clean-dirs)) 1948 1949PHONY += $(clean-dirs) clean archclean 1950$(clean-dirs): 1951 $(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@) 1952 1953clean: $(clean-dirs) 1954 $(call cmd,rmdirs) 1955 $(call cmd,rmfiles) 1956 @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \ 1957 \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \ 1958 -o -name '*.ko.*' -o -name '*.su' -o -name '*.pyc' \ 1959 -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \ 1960 -o -name '*.lex.c' -o -name '*.tab.[ch]' \ 1961 -o -name '*.asn1.[ch]' \ 1962 -o -name '*.symtypes' -o -name 'modules.order' \ 1963 -o -name modules.builtin -o -name '.tmp_*.o.*' \ 1964 -o -name 'dsdt.aml' -o -name 'dsdt.asl.tmp' -o -name 'dsdt.c' \ 1965 -o -name '*.efi' -o -name '*.gcno' -o -name '*.so' \) \ 1966 -type f -print | xargs rm -f 1967 1968# mrproper - Delete all generated files, including .config 1969# 1970mrproper: rm-dirs := $(wildcard $(MRPROPER_DIRS)) 1971mrproper: rm-files := $(wildcard $(MRPROPER_FILES)) 1972mrproper-dirs := $(addprefix _mrproper_,scripts) 1973 1974PHONY += $(mrproper-dirs) mrproper archmrproper 1975$(mrproper-dirs): 1976 $(Q)$(MAKE) $(clean)=$(patsubst _mrproper_%,%,$@) 1977 1978mrproper: clean $(mrproper-dirs) 1979 $(call cmd,rmdirs) 1980 $(call cmd,rmfiles) 1981 @rm -f arch/*/include/asm/arch 1982 1983# distclean 1984# 1985PHONY += distclean 1986 1987distclean: mrproper 1988 @find $(srctree) $(RCS_FIND_IGNORE) \ 1989 \( -name '*.orig' -o -name '*.rej' -o -name '*~' \ 1990 -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \ 1991 -o -name '.*.rej' -o -name '*%' -o -name 'core' \ 1992 -o -name '*.pyc' \) \ 1993 -type f -print | xargs rm -f 1994 @rm -f boards.cfg CHANGELOG 1995 1996backup: 1997 F=`basename $(srctree)` ; cd .. ; \ 1998 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F 1999 2000help:
2001 @echo 'Cleaning targets:' 2002 @echo ' clean - Remove most generated files but keep the config' 2003 @echo ' mrproper - Remove all generated files + config + various backup files' 2004 @echo ' distclean - mrproper + remove editor backup and patch files' 2005 @echo '' 2006 @echo 'Configuration targets:' 2007 @$(MAKE) -f $(srctree)/scripts/kconfig/Makefile help 2008 @echo '' 2009 @echo 'Test targets:' 2010 @echo '' 2011 @echo ' check - Run all automated tests that use sandbox' 2012 @echo ' qcheck - Run quick automated tests that use sandbox' 2013 @echo '' 2014 @echo 'Other generic targets:' 2015 @echo ' all - Build all necessary images depending on configuration' 2016 @echo ' tests - Build U-Boot for sandbox and run tests' 2017 @echo '* u-boot - Build the bare u-boot' 2018 @echo ' dir/ - Build all files in dir and below' 2019 @echo ' dir/file.[oisS] - Build specified target only' 2020 @echo ' dir/file.lst - Build specified mixed source/assembly target only' 2021 @echo ' (requires a recent binutils and recent build (System.map))' 2022 @echo ' tags/ctags - Generate ctags file for editors' 2023 @echo ' etags - Generate etags file for editors' 2024 @echo ' cscope - Generate cscope index' 2025 @echo ' ubootrelease - Output the release version string (use with make -s)' 2026 @echo ' ubootversion - Output the version stored in Makefile (use with make -s)' 2027 @echo " cfg - Don't build, just create the .cfg files" 2028 @echo " envtools - Build only the target-side environment tools" 2029 @echo '' 2030 @echo 'Static analysers' 2031 @echo ' checkstack - Generate a list of stack hogs' 2032 @echo ' coccicheck - Execute static code analysis with Coccinelle' 2033 @echo '' 2034 @echo 'Documentation targets:' 2035 @$(MAKE) -f $(srctree)/doc/Makefile dochelp 2036 @echo '' 2037 @echo ' make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build' 2038 @echo ' make V=2 [targets] 2 => give reason for rebuild of target' 2039 @echo ' make O=dir [targets] Locate all output files in "dir", including .config' 2040 @echo ' make C=1 [targets] Check all c source with $$CHECK (sparse by default)' 2041 @echo ' make C=2 [targets] Force check of all c source with $$CHECK' 2042 @echo ' make RECORDMCOUNT_WARN=1 [targets] Warn about ignored mcount sections' 2043 @echo ' make W=n [targets] Enable extra gcc checks, n=1,2,3 where' 2044 @echo ' 1: warnings which may be relevant and do not occur too often' 2045 @echo ' 2: warnings which occur quite often but may still be relevant' 2046 @echo ' 3: more obscure warnings, can most likely be ignored' 2047 @echo ' Multiple levels can be combined with W=12 or W=123' 2048 @echo '' 2049 @echo 'Execute "make" or "make all" to build all targets marked with [*] ' 2050 @echo 'For further info see the ./README file' 2051 2052tests check: 2053 $(srctree)/test/run 2054 2055qcheck: 2056 $(srctree)/test/run quick 2057 2058# Documentation targets 2059# --------------------------------------------------------------------------- 2060DOC_TARGETS := xmldocs latexdocs pdfdocs htmldocs epubdocs cleandocs \ 2061 linkcheckdocs dochelp refcheckdocs 2062PHONY += $(DOC_TARGETS) 2063$(DOC_TARGETS): scripts_basic FORCE 2064 $(Q)$(MAKE) $(build)=doc $@ 2065 2066endif #ifeq ($(config-targets),1) 2067endif #ifeq ($(mixed-targets),1) 2068 2069PHONY += checkstack ubootrelease ubootversion 2070 2071checkstack: 2072 $(OBJDUMP) -d u-boot $$(find . -name u-boot-spl) | \ 2073 $(PERL) $(src)/scripts/checkstack.pl $(ARCH) 2074 2075ubootrelease: 2076 @echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" 2077 2078ubootversion: 2079 @echo $(UBOOTVERSION) 2080 2081# Single targets 2082# --------------------------------------------------------------------------- 2083# Single targets are compatible with: 2084# - build with mixed source and output 2085# - build with separate output dir 'make O=...' 2086# - external modules 2087# 2088# target-dir => where to store outputfile 2089# build-dir => directory in kernel source tree to use 2090 2091ifeq ($(KBUILD_EXTMOD),) 2092 build-dir = $(patsubst %/,%,$(dir $@)) 2093 target-dir = $(dir $@) 2094else 2095 zap-slash=$(filter-out .,$(patsubst %/,%,$(dir $@))) 2096 build-dir = $(KBUILD_EXTMOD)$(if $(zap-slash),/$(zap-slash)) 2097 target-dir = $(if $(KBUILD_EXTMOD),$(dir $<),$(dir $@)) 2098endif 2099 2100%.s: %.c prepare scripts FORCE 2101 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 2102%.i: %.c prepare scripts FORCE 2103 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 2104%.o: %.c prepare scripts FORCE 2105 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 2106%.lst: %.c prepare scripts FORCE 2107 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 2108%.s: %.S prepare scripts FORCE 2109 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 2110%.o: %.S prepare scripts FORCE 2111 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 2112%.symtypes: %.c prepare scripts FORCE 2113 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 2114 2115# Modules 2116/: prepare scripts FORCE 2117 $(cmd_crmodverdir) 2118 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 2119 $(build)=$(build-dir) 2120%/: prepare scripts FORCE 2121 $(cmd_crmodverdir) 2122 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 2123 $(build)=$(build-dir) 2124%.ko: prepare scripts FORCE 2125 $(cmd_crmodverdir) 2126 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 2127 $(build)=$(build-dir) $(@:.ko=.o) 2128 $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost 2129 2130quiet_cmd_genenv = GENENV $@ 2131cmd_genenv = $(OBJCOPY) --dump-section .rodata.default_environment=$@ env/common.o; \ 2132 sed --in-place -e 's/\x00/\x0A/g' $@ 2133 2134u-boot-initial-env: u-boot.bin 2135 $(call if_changed,genenv) 2136 2137# Consistency checks 2138# --------------------------------------------------------------------------- 2139 2140PHONY += coccicheck 2141 2142coccicheck: 2143 $(Q)$(CONFIG_SHELL) $(srctree)/scripts/$@ 2144 2145# FIXME Should go into a make.lib or something 2146# =========================================================================== 2147 2148quiet_cmd_rmdirs = $(if $(wildcard $(rm-dirs)),CLEAN $(wildcard $(rm-dirs))) 2149 cmd_rmdirs = rm -rf $(rm-dirs) 2150 2151quiet_cmd_rmfiles = $(if $(wildcard $(rm-files)),CLEAN $(wildcard $(rm-files))) 2152 cmd_rmfiles = rm -f $(rm-files) 2153 2154# read all saved command lines 2155 2156targets := $(wildcard $(sort $(targets))) 2157cmd_files := $(wildcard .*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd)) 2158 2159ifneq ($(cmd_files),) 2160 $(cmd_files): ; # Do not try to update included dependency files 2161 include $(cmd_files) 2162endif 2163 2164endif # skip-makefile 2165 2166PHONY += FORCE 2167FORCE: 2168 2169# Declare the contents of the .PHONY variable as phony. We keep that 2170# information in a variable so we can use it in if_changed and friends. 2171.PHONY: $(PHONY) 2172