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 37#undefine MK_ARCH #change open souce code warning 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 410HW_DIR = hw_compressed 411CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \ 412 -Wbitwise -Wno-return-void -D__CHECK_ENDIAN__ $(CF) 413 414KBUILD_CPPFLAGS := -D__KERNEL__ -D__UBOOT__ 415 416KBUILD_CFLAGS := -Wall -Wstrict-prototypes \ 417 -Wno-format-security \ 418 -fno-builtin -ffreestanding $(CSTD_FLAG) 419# del -fshort-wchar Compiling Options change warning 420KBUILD_CFLAGS += -fno-strict-aliasing 421KBUILD_AFLAGS := -D__ASSEMBLY__ 422 423# Don't generate position independent code 424KBUILD_CFLAGS += $(call cc-option,-fno-PIE) 425KBUILD_AFLAGS += $(call cc-option,-fno-PIE) 426 427# Read UBOOTRELEASE from include/config/uboot.release (if it exists) 428UBOOTRELEASE = $(shell cat include/config/uboot.release 2> /dev/null) 429UBOOTVERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SUBLEVEL)))$(EXTRAVERSION) 430 431export VERSION PATCHLEVEL SUBLEVEL UBOOTRELEASE UBOOTVERSION 432export ARCH CPU BOARD VENDOR SOC CPUDIR BOARDDIR 433export CONFIG_SHELL HOSTCC HOSTCFLAGS HOSTLDFLAGS CROSS_COMPILE AS LD CC 434export CPP AR NM LDR STRIP OBJCOPY OBJDUMP 435export MAKE LEX YACC AWK PERL PYTHON PYTHON2 PYTHON3 436export HOSTCXX HOSTCXXFLAGS CHECK CHECKFLAGS DTC DTC_FLAGS 437 438export KBUILD_CPPFLAGS NOSTDINC_FLAGS UBOOTINCLUDE OBJCOPYFLAGS LDFLAGS 439export KBUILD_CFLAGS KBUILD_AFLAGS 440 441# When compiling out-of-tree modules, put MODVERDIR in the module 442# tree rather than in the kernel tree. The kernel tree might 443# even be read-only. 444export MODVERDIR := $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/).tmp_versions 445 446# Files to ignore in find ... statements 447 448export RCS_FIND_IGNORE := \( -name SCCS -o -name BitKeeper -o -name .svn -o \ 449 -name CVS -o -name .pc -o -name .hg -o -name .git \) \ 450 -prune -o 451export RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn \ 452 --exclude CVS --exclude .pc --exclude .hg --exclude .git 453 454# =========================================================================== 455# Rules shared between *config targets and build targets 456 457# Basic helpers built in scripts/ 458PHONY += scripts_basic 459scripts_basic: 460 $(Q)$(MAKE) $(build)=scripts/basic 461 $(Q)rm -f .tmp_quiet_recordmcount 462 463# To avoid any implicit rule to kick in, define an empty command. 464scripts/basic/%: scripts_basic ; 465 466PHONY += outputmakefile 467# outputmakefile generates a Makefile in the output directory, if using a 468# separate output directory. This allows convenient use of make in the 469# output directory. 470outputmakefile: 471ifneq ($(KBUILD_SRC),) 472 $(Q)ln -fsn $(srctree) source 473 $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile \ 474 $(srctree) $(objtree) $(VERSION) $(PATCHLEVEL) 475endif 476 477# To make sure we do not include .config for any of the *config targets 478# catch them early, and hand them over to scripts/kconfig/Makefile 479# It is allowed to specify more targets when calling make, including 480# mixing *config targets and build targets. 481# For example 'make oldconfig all'. 482# Detect when mixed targets is specified, and make a second invocation 483# of make so .config is not included in this case either (for *config). 484 485version_h := include/generated/version_autogenerated.h 486timestamp_h := include/generated/timestamp_autogenerated.h 487defaultenv_h := include/generated/defaultenv_autogenerated.h 488 489no-dot-config-targets := clean clobber mrproper distclean \ 490 help %docs check% coccicheck \ 491 ubootversion backup tests check qcheck 492 493config-targets := 0 494mixed-targets := 0 495dot-config := 1 496 497ifneq ($(filter $(no-dot-config-targets), $(MAKECMDGOALS)),) 498 ifeq ($(filter-out $(no-dot-config-targets), $(MAKECMDGOALS)),) 499 dot-config := 0 500 endif 501endif 502 503ifeq ($(KBUILD_EXTMOD),) 504 ifneq ($(filter config %config,$(MAKECMDGOALS)),) 505 config-targets := 1 506 ifneq ($(words $(MAKECMDGOALS)),1) 507 mixed-targets := 1 508 endif 509 endif 510endif 511 512ifeq ($(mixed-targets),1) 513# =========================================================================== 514# We're called with mixed targets (*config and build targets). 515# Handle them one by one. 516 517PHONY += $(MAKECMDGOALS) __build_one_by_one 518 519$(filter-out __build_one_by_one, $(MAKECMDGOALS)): __build_one_by_one 520 @: 521 522__build_one_by_one: 523 $(Q)set -e; \ 524 for i in $(MAKECMDGOALS); do \ 525 $(MAKE) -f $(srctree)/Makefile $$i; \ 526 done 527 528else 529ifeq ($(config-targets),1) 530# =========================================================================== 531# *config targets only - make sure prerequisites are updated, and descend 532# in scripts/kconfig to make the *config target 533 534KBUILD_DEFCONFIG := sandbox_defconfig 535export KBUILD_DEFCONFIG KBUILD_KCONFIG 536 537config: scripts_basic outputmakefile FORCE 538 $(Q)$(MAKE) $(build)=scripts/kconfig $@ 539 540%config: scripts_basic outputmakefile FORCE 541 $(Q)$(MAKE) $(build)=scripts/kconfig $@ 542 543else 544# =========================================================================== 545# Build targets only - this includes vmlinux, arch specific targets, clean 546# targets and others. In general all targets except *config targets. 547 548# Additional helpers built in scripts/ 549# Carefully list dependencies so we do not try to build scripts twice 550# in parallel 551PHONY += scripts 552scripts: scripts_basic include/config/auto.conf 553 $(Q)$(MAKE) $(build)=$(@) 554 555ifeq ($(dot-config),1) 556# Read in config 557-include include/config/auto.conf 558 559# Read in dependencies to all Kconfig* files, make sure to run 560# oldconfig if changes are detected. 561-include include/config/auto.conf.cmd 562 563# To avoid any implicit rule to kick in, define an empty command 564$(KCONFIG_CONFIG) include/config/auto.conf.cmd: ; 565 566# If .config is newer than include/config/auto.conf, someone tinkered 567# with it and forgot to run make oldconfig. 568# if auto.conf.cmd is missing then we are probably in a cleaned tree so 569# we execute the config step to be sure to catch updated Kconfig files 570include/config/%.conf: $(KCONFIG_CONFIG) include/config/auto.conf.cmd 571 $(Q)$(MAKE) -f $(srctree)/Makefile syncconfig 572 @# If the following part fails, include/config/auto.conf should be 573 @# deleted so "make silentoldconfig" will be re-run on the next build. 574 $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.autoconf || \ 575 { rm -f include/config/auto.conf; false; } 576 @# include/config.h has been updated after "make silentoldconfig". 577 @# We need to touch include/config/auto.conf so it gets newer 578 @# than include/config.h. 579 @# Otherwise, 'make silentoldconfig' would be invoked twice. 580 $(Q)touch include/config/auto.conf 581 582u-boot.cfg spl/u-boot.cfg tpl/u-boot.cfg: 583 $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.autoconf $(@) 584 585-include include/autoconf.mk 586-include include/autoconf.mk.dep 587 588# We want to include arch/$(ARCH)/config.mk only when include/config/auto.conf 589# is up-to-date. When we switch to a different board configuration, old CONFIG 590# macros are still remaining in include/config/auto.conf. Without the following 591# gimmick, wrong config.mk would be included leading nasty warnings/errors. 592ifneq ($(wildcard $(KCONFIG_CONFIG)),) 593ifneq ($(wildcard include/config/auto.conf),) 594autoconf_is_old := $(shell find . -path ./$(KCONFIG_CONFIG) -newer \ 595 include/config/auto.conf) 596ifeq ($(autoconf_is_old),) 597include config.mk 598include arch/$(ARCH)/Makefile 599endif 600endif 601endif 602 603# These are set by the arch-specific config.mk. Make sure they are exported 604# so they can be used when building an EFI application. 605export EFI_LDS # Filename of EFI link script in arch/$(ARCH)/lib 606export EFI_CRT0 # Filename of EFI CRT0 in arch/$(ARCH)/lib 607export EFI_RELOC # Filename of EFU relocation code in arch/$(ARCH)/lib 608export CFLAGS_EFI # Compiler flags to add when building EFI app 609export CFLAGS_NON_EFI # Compiler flags to remove when building EFI app 610export EFI_TARGET # binutils target if EFI is natively supported 611 612# If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use 613# that (or fail if absent). Otherwise, search for a linker script in a 614# standard location. 615 616ifndef LDSCRIPT 617 #LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds.debug 618 ifdef CONFIG_SYS_LDSCRIPT 619 # need to strip off double quotes 620 LDSCRIPT := $(srctree)/$(CONFIG_SYS_LDSCRIPT:"%"=%) 621 endif 622endif 623 624# If there is no specified link script, we look in a number of places for it 625ifndef LDSCRIPT 626 ifeq ($(wildcard $(LDSCRIPT)),) 627 LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds 628 endif 629 ifeq ($(wildcard $(LDSCRIPT)),) 630 LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot.lds 631 endif 632 ifeq ($(wildcard $(LDSCRIPT)),) 633 LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot.lds 634 endif 635endif 636 637else 638# Dummy target needed, because used as prerequisite 639include/config/auto.conf: ; 640endif # $(dot-config) 641 642# 643# Xtensa linker script cannot be preprocessed with -ansi because of 644# preprocessor operations on strings that don't make C identifiers. 645# 646ifeq ($(CONFIG_XTENSA),) 647LDPPFLAGS += -ansi 648endif 649 650ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE 651KBUILD_CFLAGS += -Os 652else 653KBUILD_CFLAGS += -O2 654endif 655 656KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector) 657KBUILD_CFLAGS += $(call cc-option,-fno-delete-null-pointer-checks) 658 659# change __FILE__ to the relative path from the srctree 660KBUILD_CFLAGS += $(call cc-option,-fmacro-prefix-map=$(srctree)/=) 661 662KBUILD_CFLAGS += -g 663# $(KBUILD_AFLAGS) sets -g, which causes gcc to pass a suitable -g<format> 664# option to the assembler. 665KBUILD_AFLAGS += -g 666 667# Report stack usage if supported 668# ARC tools based on GCC 7.1 has an issue with stack usage 669# with naked functions, see commit message for more details 670ifndef CONFIG_ARC 671ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-stack-usage.sh $(CC)),y) 672 KBUILD_CFLAGS += -fstack-usage 673endif 674endif 675 676KBUILD_CFLAGS += $(call cc-option,-Wno-format-nonliteral) 677ifeq ($(cc-name),clang) 678KBUILD_CPPFLAGS += $(call cc-option,-Qunused-arguments,) 679KBUILD_CFLAGS += $(call cc-disable-warning, format-invalid-specifier) 680KBUILD_CFLAGS += $(call cc-disable-warning, gnu) 681KBUILD_CFLAGS += $(call cc-disable-warning, address-of-packed-member) 682KBUILD_CFLAGS += $(call cc-option, -fcatch-undefined-behavior) 683endif 684 685# turn jbsr into jsr for m68k 686ifeq ($(ARCH),m68k) 687ifeq ($(findstring 3.4,$(shell $(CC) --version)),3.4) 688KBUILD_AFLAGS += -Wa,-gstabs,-S 689endif 690endif 691 692# Prohibit date/time macros, which would make the build non-deterministic 693KBUILD_CFLAGS += $(call cc-option,-Werror=date-time) 694 695include scripts/Makefile.extrawarn 696 697# Add user supplied CPPFLAGS, AFLAGS and CFLAGS as the last assignments 698KBUILD_CPPFLAGS += $(KCPPFLAGS) 699KBUILD_AFLAGS += $(KAFLAGS) 700KBUILD_CFLAGS += $(KCFLAGS) 701 702# Use UBOOTINCLUDE when you must reference the include/ directory. 703# Needed to be compatible with the O= option 704UBOOTINCLUDE := \ 705 -Iinclude \ 706 $(if $(KBUILD_SRC), -I$(srctree)/include) \ 707 $(if $(CONFIG_$(SPL_)SYS_THUMB_BUILD), \ 708 $(if $(CONFIG_HAS_THUMB2),, \ 709 -I$(srctree)/arch/$(ARCH)/thumb1/include),) \ 710 -I$(srctree)/arch/$(ARCH)/include \ 711 -include $(srctree)/include/linux/kconfig.h 712 713NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include) 714CHECKFLAGS += $(NOSTDINC_FLAGS) 715 716# FIX ME 717cpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \ 718 $(NOSTDINC_FLAGS) 719c_flags := $(KBUILD_CFLAGS) $(cpp_flags) 720 721######################################################################### 722# U-Boot objects....order is important (i.e. start must be first) 723 724ifdef CONFIG_MINI_BOOT 725export ENABLE_MINI_BOOT := y 726endif 727HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n) 728 729libs-y += lib/ 730libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/ 731libs-$(CONFIG_OF_EMBED) += dts/ 732ifndef CONFIG_MINI_BOOT 733libs-y += fs/ 734libs-y += net/ 735libs-y += disk/ 736endif 737libs-y += drivers/ 738ifndef CONFIG_MINI_BOOT 739libs-y += drivers/dma/ 740libs-y += drivers/gpio/ 741libs-y += drivers/i2c/ 742libs-y += drivers/net/ 743libs-y += drivers/net/phy/ 744libs-y += drivers/power/ \ 745 drivers/power/domain/ \ 746 drivers/power/fuel_gauge/ \ 747 drivers/power/mfd/ \ 748 drivers/power/pmic/ \ 749 drivers/power/battery/ \ 750 drivers/power/regulator/ 751endif 752libs-y += drivers/spi/ 753libs-$(CONFIG_FMAN_ENET) += drivers/net/fm/ 754libs-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/ 755libs-$(CONFIG_SYS_FSL_MMDC) += drivers/ddr/fsl/ 756libs-$(CONFIG_$(SPL_)ALTERA_SDRAM) += drivers/ddr/altera/ 757libs-y += drivers/serial/ 758ifndef CONFIG_MINI_BOOT 759libs-y += drivers/usb/cdns3/ 760libs-y += drivers/usb/dwc3/ 761libs-y += drivers/usb/common/ 762libs-y += drivers/usb/emul/ 763libs-y += drivers/usb/eth/ 764libs-$(CONFIG_USB_GADGET) += drivers/usb/gadget/ 765libs-$(CONFIG_USB_GADGET) += drivers/usb/gadget/udc/ 766libs-y += drivers/usb/gadget/hiudc3/ 767libs-y += drivers/usb/host/ 768libs-y += drivers/usb/musb/ 769libs-y += drivers/usb/musb-new/ 770libs-y += drivers/usb/phy/ 771libs-y += drivers/usb/ulpi/ 772endif 773libs-y += cmd/ 774libs-y += common/ 775libs-y += env/ 776libs-$(CONFIG_API) += api/ 777libs-$(CONFIG_HAS_POST) += post/ 778libs-$(CONFIG_UNIT_TEST) += test/ test/dm/ 779libs-$(CONFIG_UT_ENV) += test/env/ 780libs-$(CONFIG_UT_OPTEE) += test/optee/ 781libs-$(CONFIG_UT_OVERLAY) += test/overlay/ 782# FOR hiosd 783sinclude Makefile-hiproduct 784 785ifndef CONFIG_MINI_BOOT 786libs-$(CONFIG_CIPHER_ENABLE) += product/cipher/ 787libs-$(CONFIG_OTP_ENABLE) += product/hiotp/ 788endif 789 790libs-$(CONFIG_OPTEE) += product/hitzasc/ 791 792libs-$(CONFIG_I2C_HIBVT) += product/hii2c/ 793 794libs-$(CONFIG_AUTO_UPDATE) += product/hiupdate/ 795 796libs-$(CONFIG_OSD_ENABLE) += product/hisec/ 797 798libs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/) 799 800libs-y := $(sort $(libs-y)) 801 802u-boot-dirs := $(patsubst %/,%,$(filter %/, $(libs-y))) tools examples 803 804u-boot-alldirs := $(sort $(u-boot-dirs) $(patsubst %/,%,$(filter %/, $(libs-)))) 805 806libs-y := $(patsubst %/, %/built-in.o, $(libs-y)) 807 808u-boot-init := $(head-y) 809u-boot-main := $(libs-y) 810 811 812# Add GCC lib 813ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y) 814PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a 815else 816PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(c_flags) -print-libgcc-file-name`) -lgcc 817endif 818PLATFORM_LIBS += $(PLATFORM_LIBGCC) 819 820ifdef CONFIG_CC_COVERAGE 821KBUILD_CFLAGS += --coverage 822PLATFORM_LIBGCC += -lgcov 823endif 824 825export PLATFORM_LIBS 826export PLATFORM_LIBGCC 827 828# Special flags for CPP when processing the linker script. 829# Pass the version down so we can handle backwards compatibility 830# on the fly. 831LDPPFLAGS += \ 832 -include $(srctree)/include/u-boot/u-boot.lds.h \ 833 -DCPUDIR=$(CPUDIR) \ 834 $(shell $(LD) --version | \ 835 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 836 837######################################################################### 838######################################################################### 839 840ifneq ($(CONFIG_BOARD_SIZE_LIMIT),) 841BOARD_SIZE_CHECK= @ $(call size_check,$@,$(CONFIG_BOARD_SIZE_LIMIT)) 842else 843BOARD_SIZE_CHECK = 844endif 845 846ifneq ($(CONFIG_SPL_SIZE_LIMIT),0) 847SPL_SIZE_CHECK = @$(call size_check,$@,$$(tools/spl_size_limit)) 848else 849SPL_SIZE_CHECK = 850endif 851 852ifneq ($(CONFIG_TPL_SIZE_LIMIT),0) 853TPL_SIZE_CHECK = @$(call size_check,$@,$(CONFIG_TPL_SIZE_LIMIT)) 854else 855TPL_SIZE_CHECK = 856endif 857 858# Statically apply RELA-style relocations (currently arm64 only) 859# This is useful for arm64 where static relocation needs to be performed on 860# the raw binary, but certain simulators only accept an ELF file (but don't 861# do the relocation). 862ifneq ($(CONFIG_STATIC_RELA),) 863# $(1) is u-boot ELF, $(2) is u-boot bin, $(3) is text base 864DO_STATIC_RELA = \ 865 start=$$($(NM) $(1) | grep __rel_dyn_start | cut -f 1 -d ' '); \ 866 end=$$($(NM) $(1) | grep __rel_dyn_end | cut -f 1 -d ' '); \ 867 tools/relocate-rela $(2) $(3) $$start $$end 868else 869DO_STATIC_RELA = 870endif 871 872# Always append ALL so that arch config.mk's can add custom ones 873ALL-y += u-boot.srec u-boot.bin u-boot.sym System.map binary_size_check 874 875ALL-$(CONFIG_ONENAND_U_BOOT) += u-boot-onenand.bin 876ifeq ($(CONFIG_SPL_FSL_PBL),y) 877ALL-$(CONFIG_RAMBOOT_PBL) += u-boot-with-spl-pbl.bin 878else 879ifneq ($(CONFIG_SECURE_BOOT), y) 880# For Secure Boot The Image needs to be signed and Header must also 881# be included. So The image has to be built explicitly 882ALL-$(CONFIG_RAMBOOT_PBL) += u-boot.pbl 883endif 884endif 885ALL-$(CONFIG_SPL) += spl/u-boot-spl.bin 886ifeq ($(CONFIG_MX6)$(CONFIG_IMX_HAB), yy) 887ALL-$(CONFIG_SPL_FRAMEWORK) += u-boot-ivt.img 888else 889ifeq ($(CONFIG_MX7)$(CONFIG_IMX_HAB), yy) 890ALL-$(CONFIG_SPL_FRAMEWORK) += u-boot-ivt.img 891else 892ALL-$(CONFIG_SPL_FRAMEWORK) += u-boot.img 893endif 894endif 895ALL-$(CONFIG_TPL) += tpl/u-boot-tpl.bin 896ALL-$(CONFIG_OF_SEPARATE) += u-boot.dtb 897ifeq ($(CONFIG_SPL_FRAMEWORK),y) 898ALL-$(CONFIG_OF_SEPARATE) += u-boot-dtb.img 899endif 900ALL-$(CONFIG_OF_HOSTFILE) += u-boot.dtb 901ifneq ($(CONFIG_SPL_TARGET),) 902ALL-$(CONFIG_SPL) += $(CONFIG_SPL_TARGET:"%"=%) 903endif 904ALL-$(CONFIG_REMAKE_ELF) += u-boot.elf 905ALL-$(CONFIG_EFI_APP) += u-boot-app.efi 906ALL-$(CONFIG_EFI_STUB) += u-boot-payload.efi 907 908ifneq ($(BUILD_ROM)$(CONFIG_BUILD_ROM),) 909ALL-$(CONFIG_X86_RESET_VECTOR) += u-boot.rom 910endif 911 912# Build a combined spl + u-boot image for sunxi 913ifeq ($(CONFIG_ARCH_SUNXI)$(CONFIG_SPL),yy) 914ALL-y += u-boot-sunxi-with-spl.bin 915endif 916 917# enable combined SPL/u-boot/dtb rules for tegra 918ifeq ($(CONFIG_TEGRA)$(CONFIG_SPL),yy) 919ALL-y += u-boot-tegra.bin u-boot-nodtb-tegra.bin 920ALL-$(CONFIG_OF_SEPARATE) += u-boot-dtb-tegra.bin 921endif 922 923ALL-$(CONFIG_ARCH_MEDIATEK) += u-boot-mtk.bin 924 925# Add optional build target if defined in board/cpu/soc headers 926ifneq ($(CONFIG_BUILD_TARGET),) 927ALL-y += $(CONFIG_BUILD_TARGET:"%"=%) 928endif 929 930ifdef CONFIG_INIT_SP_RELATIVE 931ALL-y += init_sp_bss_offset_check 932endif 933 934ifeq ($(CONFIG_MPC85xx)$(CONFIG_OF_SEPARATE),yy) 935ALL-y += u-boot-with-dtb.bin 936endif 937 938ifeq ($(CONFIG_ARCH_ROCKCHIP)$(CONFIG_SPL)$(CONFIG_TPL),yyy) 939ALL-y += idbloader.img 940endif 941 942LDFLAGS_u-boot += $(LDFLAGS_FINAL) 943 944# Avoid 'Not enough room for program headers' error on binutils 2.28 onwards. 945LDFLAGS_u-boot += $(call ld-option, --no-dynamic-linker) 946 947ifeq ($(CONFIG_ARC)$(CONFIG_NIOS2)$(CONFIG_X86)$(CONFIG_XTENSA),) 948LDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE) 949endif 950 951# Normally we fill empty space with 0xff 952quiet_cmd_objcopy = OBJCOPY $@ 953cmd_objcopy = $(OBJCOPY) --gap-fill=0xff $(OBJCOPYFLAGS) \ 954 $(OBJCOPYFLAGS_$(@F)) $< $@ 955 956# Provide a version which does not do this, for use by EFI 957quiet_cmd_zobjcopy = OBJCOPY $@ 958cmd_zobjcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@ 959 960quiet_cmd_efipayload = OBJCOPY $@ 961cmd_efipayload = $(OBJCOPY) -I binary -O $(EFIPAYLOAD_BFDTARGET) -B $(EFIPAYLOAD_BFDARCH) $< $@ 962 963MKIMAGEOUTPUT ?= /dev/null 964 965quiet_cmd_mkimage = MKIMAGE $@ 966cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \ 967 >$(MKIMAGEOUTPUT) $(if $(KBUILD_VERBOSE:0=), && cat $(MKIMAGEOUTPUT)) 968 969quiet_cmd_mkfitimage = MKIMAGE $@ 970cmd_mkfitimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -f $(U_BOOT_ITS) -p $(CONFIG_FIT_EXTERNAL_OFFSET) $@\ 971 >$(MKIMAGEOUTPUT) $(if $(KBUILD_VERBOSE:0=), && cat $(MKIMAGEOUTPUT)) 972 973quiet_cmd_cat = CAT $@ 974cmd_cat = cat $(filter-out $(PHONY), $^) > $@ 975 976append = cat $(filter-out $< $(PHONY), $^) >> $@ 977 978quiet_cmd_pad_cat = CAT $@ 979cmd_pad_cat = $(cmd_objcopy) && $(append) || rm -f $@ 980 981cfg: u-boot.cfg 982 983quiet_cmd_cfgcheck = CFGCHK $2 984cmd_cfgcheck = $(srctree)/scripts/check-config.sh $2 \ 985 $(srctree)/scripts/config_whitelist.txt $(srctree) 986 987all: $(ALL-y) 988ifeq ($(CONFIG_DEPRECATED),y) 989 $(warning "You have deprecated configuration options enabled in your .config! Please check your configuration.") 990ifeq ($(CONFIG_SPI),y) 991ifneq ($(CONFIG_DM_SPI)$(CONFIG_OF_CONTROL),yy) 992 $(warning "The relevant config item with associated code will remove in v2019.07 release.") 993endif 994endif 995endif 996ifneq ($(CONFIG_DM),y) 997 @echo >&2 "===================== WARNING ======================" 998 @echo >&2 "This board does not use CONFIG_DM. CONFIG_DM will be" 999 @echo >&2 "compulsory starting with the v2020.01 release." 1000 @echo >&2 "Failure to update may result in board removal." 1001 @echo >&2 "See doc/driver-model/migration.rst for more info." 1002 @echo >&2 "====================================================" 1003endif 1004ifeq ($(CONFIG_MMC),y) 1005ifneq ($(CONFIG_DM_MMC)$(CONFIG_OF_CONTROL)$(CONFIG_BLK),yyy) 1006 @echo >&2 "===================== WARNING ======================" 1007 @echo >&2 "This board does not use CONFIG_DM_MMC. Please update" 1008 @echo >&2 "the board to use CONFIG_DM_MMC before the v2019.04 release." 1009 @echo >&2 "Failure to update by the deadline may result in board removal." 1010 @echo >&2 "See doc/driver-model/MIGRATION.txt for more info." 1011 @echo >&2 "====================================================" 1012endif 1013endif 1014ifeq ($(CONFIG_USB),y) 1015ifneq ($(CONFIG_DM_USB)$(CONFIG_OF_CONTROL)$(CONFIG_BLK),yyy) 1016 @echo >&2 "===================== WARNING ======================" 1017 @echo >&2 "This board does not use CONFIG_DM_USB. Please update" 1018 @echo >&2 "the board to use CONFIG_DM_USB before the v2019.07 release." 1019 @echo >&2 "Failure to update by the deadline may result in board removal." 1020 @echo >&2 "See doc/driver-model/MIGRATION.txt for more info." 1021 @echo >&2 "====================================================" 1022endif 1023endif 1024ifeq ($(CONFIG_MVSATA_IDE),y) 1025 @echo >&2 "===================== WARNING ======================" 1026 @echo >&2 "This board does use CONFIG_MVSATA_IDE which is not" 1027 @echo >&2 "ported to driver-model (DM) yet. Please update the storage" 1028 @echo >&2 "controller driver to use CONFIG_AHCI before the v2019.07" 1029 @echo >&2 "release." 1030 @echo >&2 "Failure to update by the deadline may result in board removal." 1031 @echo >&2 "See doc/driver-model/MIGRATION.txt for more info." 1032 @echo >&2 "====================================================" 1033endif 1034ifeq ($(CONFIG_LIBATA),y) 1035ifneq ($(CONFIG_AHCI),y) 1036 @echo >&2 "===================== WARNING ======================" 1037 @echo >&2 "This board does use CONFIG_LIBATA but has CONFIG_AHCI not" 1038 @echo >&2 "enabled. Please update the storage controller driver to use" 1039 @echo >&2 "CONFIG_AHCI before the v2019.07 release." 1040 @echo >&2 "Failure to update by the deadline may result in board removal." 1041 @echo >&2 "See doc/driver-model/MIGRATION.txt for more info." 1042 @echo >&2 "====================================================" 1043endif 1044endif 1045ifeq ($(CONFIG_PCI),y) 1046ifneq ($(CONFIG_DM_PCI),y) 1047 @echo >&2 "===================== WARNING ======================" 1048 @echo >&2 "This board does not use CONFIG_DM_PCI Please update" 1049 @echo >&2 "the board to use CONFIG_DM_PCI before the v2019.07 release." 1050 @echo >&2 "Failure to update by the deadline may result in board removal." 1051 @echo >&2 "See doc/driver-model/MIGRATION.txt for more info." 1052 @echo >&2 "====================================================" 1053endif 1054endif 1055ifneq ($(CONFIG_LCD)$(CONFIG_VIDEO),) 1056ifneq ($(CONFIG_DM_VIDEO),y) 1057 @echo >&2 "===================== WARNING ======================" 1058 @echo >&2 "This board does not use CONFIG_DM_VIDEO Please update" 1059 @echo >&2 "the board to use CONFIG_DM_VIDEO before the v2019.07 release." 1060 @echo >&2 "Failure to update by the deadline may result in board removal." 1061 @echo >&2 "See doc/driver-model/MIGRATION.txt for more info." 1062 @echo >&2 "====================================================" 1063endif 1064endif 1065ifeq ($(CONFIG_OF_EMBED),y) 1066 @echo >&2 "===================== WARNING ======================" 1067 @echo >&2 "CONFIG_OF_EMBED is enabled. This option should only" 1068 @echo >&2 "be used for debugging purposes. Please use" 1069 @echo >&2 "CONFIG_OF_SEPARATE for boards in mainline." 1070 @echo >&2 "See doc/README.fdt-control for more info." 1071 @echo >&2 "====================================================" 1072endif 1073ifeq ($(CONFIG_SPI_FLASH),y) 1074ifneq ($(CONFIG_DM_SPI_FLASH)$(CONFIG_OF_CONTROL),yy) 1075 @echo >&2 "===================== WARNING ======================" 1076 @echo >&2 "This board does not use CONFIG_DM_SPI_FLASH. Please update" 1077 @echo >&2 "the board to use CONFIG_SPI_FLASH before the v2019.07 release." 1078 @echo >&2 "Failure to update by the deadline may result in board removal." 1079 @echo >&2 "See doc/driver-model/MIGRATION.txt for more info." 1080 @echo >&2 "====================================================" 1081endif 1082endif 1083ifneq ($(CONFIG_WATCHDOG)$(CONFIG_HW_WATCHDOG),) 1084ifneq ($(CONFIG_WDT),y) 1085 @echo >&2 "===================== WARNING ======================" 1086 @echo >&2 "This board does not use CONFIG_WDT (DM watchdog support)." 1087 @echo >&2 "Please update the board to use CONFIG_WDT before the" 1088 @echo >&2 "v2019.10 release." 1089 @echo >&2 "Failure to update by the deadline may result in board removal." 1090 @echo >&2 "See doc/driver-model/MIGRATION.txt for more info." 1091 @echo >&2 "====================================================" 1092endif 1093endif 1094ifneq ($(CONFIG_NET),) 1095ifneq ($(CONFIG_DM_ETH),y) 1096 @echo >&2 "===================== WARNING ======================" 1097 @echo >&2 "This board does not use CONFIG_DM_ETH (Driver Model" 1098 @echo >&2 "for Ethernet drivers). Please update the board to use" 1099 @echo >&2 "CONFIG_DM_ETH before the v2020.07 release. Failure to" 1100 @echo >&2 "update by the deadline may result in board removal." 1101 @echo >&2 "See doc/driver-model/migration.rst for more info." 1102 @echo >&2 "====================================================" 1103endif 1104endif 1105 @# Check that this build does not use CONFIG options that we do not 1106 @# know about unless they are in Kconfig. All the existing CONFIG 1107 @# options are whitelisted, so new ones should not be added. 1108 $(call cmd,cfgcheck,u-boot.cfg) 1109 1110PHONY += dtbs 1111dtbs: dts/dt.dtb 1112 @: 1113dts/dt.dtb: u-boot 1114 $(Q)$(MAKE) $(build)=dts dtbs 1115 1116quiet_cmd_copy = COPY $@ 1117 cmd_copy = cp $< $@ 1118 1119ifeq ($(CONFIG_MULTI_DTB_FIT),y) 1120 1121ifeq ($(CONFIG_MULTI_DTB_FIT_LZO),y) 1122FINAL_DTB_CONTAINER = fit-dtb.blob.lzo 1123else ifeq ($(CONFIG_MULTI_DTB_FIT_GZIP),y) 1124FINAL_DTB_CONTAINER = fit-dtb.blob.gz 1125else 1126FINAL_DTB_CONTAINER = fit-dtb.blob 1127endif 1128 1129fit-dtb.blob.gz: fit-dtb.blob 1130 @gzip -kf9 $< > $@ 1131 1132fit-dtb.blob.lzo: fit-dtb.blob 1133 @lzop -f9 $< > $@ 1134 1135fit-dtb.blob: dts/dt.dtb FORCE 1136 $(call if_changed,mkimage) 1137ifneq ($(SOURCE_DATE_EPOCH),) 1138 touch -d @$(SOURCE_DATE_EPOCH) fit-dtb.blob 1139 chmod 0600 fit-dtb.blob 1140endif 1141 1142MKIMAGEFLAGS_fit-dtb.blob = -f auto -A $(ARCH) -T firmware -C none -O u-boot \ 1143 -a 0 -e 0 -E \ 1144 $(patsubst %,-b arch/$(ARCH)/dts/%.dtb,$(subst ",,$(CONFIG_OF_LIST))) -d /dev/null 1145 1146ifneq ($(EXT_DTB),) 1147u-boot-fit-dtb.bin: u-boot-nodtb.bin $(EXT_DTB) 1148 $(call if_changed,cat) 1149else 1150u-boot-fit-dtb.bin: u-boot-nodtb.bin $(FINAL_DTB_CONTAINER) 1151 $(call if_changed,cat) 1152endif 1153 1154u-boot.bin: u-boot-fit-dtb.bin FORCE 1155 $(call if_changed,copy) 1156 1157u-boot-dtb.bin: u-boot-nodtb.bin dts/dt.dtb FORCE 1158 $(call if_changed,cat) 1159 1160else ifeq ($(CONFIG_OF_SEPARATE),y) 1161u-boot-dtb.bin: u-boot-nodtb.bin dts/dt.dtb FORCE 1162 $(call if_changed,cat) 1163 1164u-boot.bin: u-boot-dtb.bin FORCE 1165 $(call if_changed,copy) 1166else 1167u-boot.bin: u-boot-nodtb.bin FORCE 1168 $(call if_changed,copy) 1169endif 1170 1171# we call Makefile in arch/arm/mach-imx which 1172# has targets which are dependent on targets defined 1173# here. make could not resolve them and we must ensure 1174# that they are finished before calling imx targets 1175ifeq ($(CONFIG_MULTI_DTB_FIT),y) 1176IMX_DEPS = u-boot-fit-dtb.bin 1177endif 1178.PHONY: u-boot-z.bin 1179u-boot-z.bin: $(CURDIR)/u-boot.bin 1180 make -C $(CURDIR)/arch/$(ARCH)/cpu/$(CPU)/$(SOC)/$(HW_DIR)/ \ 1181 CROSS_COMPILE=$(CROSS_COMPILE) \ 1182 BINIMAGE=$(CURDIR)/u-boot.bin TOPDIR=$(CURDIR) 1183 1184.PHONY: u-boot-z.clean 1185u-boot-z.clean: $(CURDIR)/u-boot.bin 1186 make -C $(CURDIR)/arch/$(ARCH)/cpu/$(CPU)/$(SOC)/$(HW_DIR) \ 1187 CROSS_COMPILE=$(CROSS_COMPILE) clean 1188%.imx: $(IMX_DEPS) %.bin 1189 $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@ 1190 $(BOARD_SIZE_CHECK) 1191 1192%.vyb: %.imx 1193 $(Q)$(MAKE) $(build)=arch/arm/cpu/armv7/vf610 $@ 1194 1195quiet_cmd_copy = COPY $@ 1196 cmd_copy = cp $< $@ 1197 1198u-boot.dtb: dts/dt.dtb 1199 $(call cmd,copy) 1200 1201OBJCOPYFLAGS_u-boot.hex := -O ihex 1202 1203OBJCOPYFLAGS_u-boot.srec := -O srec 1204 1205u-boot.hex u-boot.srec: u-boot FORCE 1206 $(call if_changed,objcopy) 1207 1208OBJCOPYFLAGS_u-boot-elf.srec := $(OBJCOPYFLAGS_u-boot.srec) 1209 1210u-boot-elf.srec: u-boot.elf FORCE 1211 $(call if_changed,objcopy) 1212 1213OBJCOPYFLAGS_u-boot-spl.srec = $(OBJCOPYFLAGS_u-boot.srec) 1214 1215spl/u-boot-spl.srec: spl/u-boot-spl FORCE 1216 $(call if_changed,objcopy) 1217 1218%.scif: %.srec 1219 $(Q)$(MAKE) $(build)=arch/arm/mach-rmobile $@ 1220 1221OBJCOPYFLAGS_u-boot-nodtb.bin := -O binary \ 1222 $(if $(CONFIG_X86_16BIT_INIT),-R .start16 -R .resetvec) \ 1223 $(if $(CONFIG_MPC85XX_HAVE_RESET_VECTOR),-R .bootpg -R .resetvec) 1224 1225OBJCOPYFLAGS_u-boot-spl.hex = $(OBJCOPYFLAGS_u-boot.hex) 1226 1227spl/u-boot-spl.hex: spl/u-boot-spl FORCE 1228 $(call if_changed,objcopy) 1229 1230binary_size_check: u-boot-nodtb.bin FORCE 1231 @file_size=$(shell wc -c u-boot-nodtb.bin | awk '{print $$1}') ; \ 1232 map_size=$(shell cat u-boot.map | \ 1233 awk '/_image_copy_start/ {start = $$1} /_image_binary_end/ {end = $$1} END {if (start != "" && end != "") print "ibase=16; " toupper(end) " - " toupper(start)}' \ 1234 | sed 's/0X//g' \ 1235 | bc); \ 1236 if [ "" != "$$map_size" ]; then \ 1237 if test $$map_size -ne $$file_size; then \ 1238 echo "u-boot.map shows a binary size of $$map_size" >&2 ; \ 1239 echo " but u-boot-nodtb.bin shows $$file_size" >&2 ; \ 1240 exit 1; \ 1241 fi \ 1242 fi 1243 1244ifdef CONFIG_INIT_SP_RELATIVE 1245ifneq ($(CONFIG_SYS_MALLOC_F_LEN),) 1246subtract_sys_malloc_f_len = space=$$(($${space} - $(CONFIG_SYS_MALLOC_F_LEN))) 1247else 1248subtract_sys_malloc_f_len = true 1249endif 1250# The 1/4 margin below is somewhat arbitrary. The likely initial SP usage is 1251# so low that the DTB could probably use 90%+ of the available space, for 1252# current values of CONFIG_SYS_INIT_SP_BSS_OFFSET at least. However, let's be 1253# safe for now and tweak this later if space becomes tight. 1254# A rejected alternative would be to check that some absolute minimum stack 1255# space was available. However, since CONFIG_SYS_INIT_SP_BSS_OFFSET is 1256# deliberately build-specific, to take account of build-to-build stack usage 1257# differences due to different feature sets, there is no common absolute value 1258# to check against. 1259init_sp_bss_offset_check: u-boot.dtb FORCE 1260 @dtb_size=$(shell wc -c u-boot.dtb | awk '{print $$1}') ; \ 1261 space=$(CONFIG_SYS_INIT_SP_BSS_OFFSET) ; \ 1262 $(subtract_sys_malloc_f_len) ; \ 1263 quarter_space=$$(($${space} / 4)) ; \ 1264 if [ $${dtb_size} -gt $${quarter_space} ]; then \ 1265 echo "u-boot.dtb is larger than 1 quarter of " >&2 ; \ 1266 echo "(CONFIG_SYS_INIT_SP_BSS_OFFSET - CONFIG_SYS_MALLOC_F_LEN)" >&2 ; \ 1267 exit 1 ; \ 1268 fi 1269endif 1270 1271u-boot-nodtb.bin: u-boot FORCE 1272 $(call if_changed,objcopy) 1273 $(call DO_STATIC_RELA,$<,$@,$(CONFIG_SYS_TEXT_BASE)) 1274 $(BOARD_SIZE_CHECK) 1275 1276u-boot.ldr: u-boot 1277 $(CREATE_LDR_ENV) 1278 $(LDR) -T $(CONFIG_CPU) -c $@ $< $(LDR_FLAGS) 1279 $(BOARD_SIZE_CHECK) 1280 1281# binman 1282# --------------------------------------------------------------------------- 1283# Use 'make BINMAN_DEBUG=1' to enable debugging 1284quiet_cmd_binman = BINMAN $@ 1285cmd_binman = $(srctree)/tools/binman/binman $(if $(BINMAN_DEBUG),-D) \ 1286 --toolpath $(objtree)/tools \ 1287 $(if $(BINMAN_VERBOSE),-v$(BINMAN_VERBOSE)) \ 1288 build -u -d u-boot.dtb -O . -m \ 1289 -I . -I $(srctree) -I $(srctree)/board/$(BOARDDIR) \ 1290 $(BINMAN_$(@F)) 1291 1292OBJCOPYFLAGS_u-boot.ldr.hex := -I binary -O ihex 1293 1294OBJCOPYFLAGS_u-boot.ldr.srec := -I binary -O srec 1295 1296u-boot.ldr.hex u-boot.ldr.srec: u-boot.ldr FORCE 1297 $(call if_changed,objcopy) 1298 1299# 1300# U-Boot entry point, needed for booting of full-blown U-Boot 1301# from the SPL U-Boot version. 1302# 1303ifndef CONFIG_SYS_UBOOT_START 1304CONFIG_SYS_UBOOT_START := 0 1305endif 1306 1307# Boards with more complex image requirements can provide an .its source file 1308# or a generator script 1309ifneq ($(CONFIG_SPL_FIT_SOURCE),"") 1310U_BOOT_ITS = $(subst ",,$(CONFIG_SPL_FIT_SOURCE)) 1311else 1312ifneq ($(CONFIG_SPL_FIT_GENERATOR),"") 1313U_BOOT_ITS := u-boot.its 1314ifeq ($(CONFIG_SPL_FIT_GENERATOR),"arch/arm/mach-imx/mkimage_fit_atf.sh") 1315U_BOOT_ITS_DEPS += u-boot-nodtb.bin 1316endif 1317ifeq ($(CONFIG_SPL_FIT_GENERATOR),"arch/arm/mach-rockchip/make_fit_atf.py") 1318U_BOOT_ITS_DEPS += u-boot 1319endif 1320$(U_BOOT_ITS): $(U_BOOT_ITS_DEPS) FORCE 1321 $(srctree)/$(CONFIG_SPL_FIT_GENERATOR) \ 1322 $(patsubst %,arch/$(ARCH)/dts/%.dtb,$(subst ",,$(CONFIG_OF_LIST))) > $@ 1323endif 1324endif 1325 1326ifdef CONFIG_SPL_LOAD_FIT 1327MKIMAGEFLAGS_u-boot.img = -f auto -A $(ARCH) -T firmware -C none -O u-boot \ 1328 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \ 1329 -p $(CONFIG_FIT_EXTERNAL_OFFSET) \ 1330 -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board" -E \ 1331 $(patsubst %,-b arch/$(ARCH)/dts/%.dtb,$(subst ",,$(CONFIG_OF_LIST))) 1332else 1333MKIMAGEFLAGS_u-boot.img = -A $(ARCH) -T firmware -C none -O u-boot \ 1334 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \ 1335 -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board" 1336MKIMAGEFLAGS_u-boot-ivt.img = -A $(ARCH) -T firmware_ivt -C none -O u-boot \ 1337 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \ 1338 -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board" 1339u-boot-ivt.img: MKIMAGEOUTPUT = u-boot-ivt.img.log 1340endif 1341 1342MKIMAGEFLAGS_u-boot-dtb.img = $(MKIMAGEFLAGS_u-boot.img) 1343 1344# Some boards have the kwbimage.cfg file written in advance, while some 1345# other boards generate it on the fly during the build in the build tree. 1346# Let's check if the file exists in the build tree first, otherwise we 1347# fall back to use the one in the source tree. 1348KWD_CONFIG_FILE = $(shell \ 1349 if [ -f $(objtree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%) ]; then \ 1350 echo -n $(objtree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%); \ 1351 else \ 1352 echo -n $(srctree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%); \ 1353 fi) 1354 1355MKIMAGEFLAGS_u-boot.kwb = -n $(KWD_CONFIG_FILE) \ 1356 -T kwbimage -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) 1357 1358MKIMAGEFLAGS_u-boot-spl.kwb = -n $(KWD_CONFIG_FILE) \ 1359 -T kwbimage -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) \ 1360 $(if $(KEYDIR),-k $(KEYDIR)) 1361 1362MKIMAGEFLAGS_u-boot.pbl = -n $(srctree)/$(CONFIG_SYS_FSL_PBL_RCW:"%"=%) \ 1363 -R $(srctree)/$(CONFIG_SYS_FSL_PBL_PBI:"%"=%) -T pblimage 1364 1365ifeq ($(CONFIG_MPC85xx)$(CONFIG_OF_SEPARATE),yy) 1366UBOOT_BIN := u-boot-with-dtb.bin 1367else 1368UBOOT_BIN := u-boot.bin 1369endif 1370 1371u-boot-dtb.img u-boot.img u-boot.kwb u-boot.pbl u-boot-ivt.img: \ 1372 $(if $(CONFIG_SPL_LOAD_FIT),u-boot-nodtb.bin \ 1373 $(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_OF_HOSTFILE),dts/dt.dtb) \ 1374 ,$(UBOOT_BIN)) FORCE 1375 $(call if_changed,mkimage) 1376 $(BOARD_SIZE_CHECK) 1377 1378ifeq ($(CONFIG_SPL_LOAD_FIT_FULL),y) 1379MKIMAGEFLAGS_u-boot.itb = 1380else 1381MKIMAGEFLAGS_u-boot.itb = -E 1382endif 1383 1384u-boot.itb: u-boot-nodtb.bin \ 1385 $(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_OF_HOSTFILE),dts/dt.dtb) \ 1386 $(U_BOOT_ITS) FORCE 1387 $(call if_changed,mkfitimage) 1388 $(BOARD_SIZE_CHECK) 1389 1390u-boot-spl.kwb: u-boot.img spl/u-boot-spl.bin FORCE 1391 $(call if_changed,mkimage) 1392 1393u-boot.sha1: u-boot.bin 1394 tools/ubsha1 u-boot.bin 1395 1396u-boot.dis: u-boot 1397 $(OBJDUMP) -d $< > $@ 1398 1399ifneq ($(CONFIG_SPL_PAYLOAD),) 1400SPL_PAYLOAD := $(CONFIG_SPL_PAYLOAD:"%"=%) 1401else 1402SPL_PAYLOAD := u-boot.bin 1403endif 1404 1405SPL_IMAGE := $(CONFIG_SPL_IMAGE:"%"=%) 1406 1407OBJCOPYFLAGS_u-boot-with-spl.bin = -I binary -O binary \ 1408 --pad-to=$(CONFIG_SPL_PAD_TO) 1409u-boot-with-spl.bin: $(SPL_IMAGE) $(SPL_PAYLOAD) FORCE 1410 $(call if_changed,pad_cat) 1411 1412ifeq ($(CONFIG_ARCH_ROCKCHIP),y) 1413MKIMAGEFLAGS_u-boot-tpl.img = -n $(CONFIG_SYS_SOC) -T rksd 1414tpl/u-boot-tpl.img: tpl/u-boot-tpl.bin FORCE 1415 $(call if_changed,mkimage) 1416idbloader.img: tpl/u-boot-tpl.img spl/u-boot-spl.bin FORCE 1417 $(call if_changed,cat) 1418endif 1419 1420ifeq ($(CONFIG_ARCH_LPC32XX)$(CONFIG_SPL),yy) 1421MKIMAGEFLAGS_lpc32xx-spl.img = -T lpc32xximage -a $(CONFIG_SPL_TEXT_BASE) 1422 1423lpc32xx-spl.img: spl/u-boot-spl.bin FORCE 1424 $(call if_changed,mkimage) 1425 1426OBJCOPYFLAGS_lpc32xx-boot-0.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) 1427 1428lpc32xx-boot-0.bin: lpc32xx-spl.img FORCE 1429 $(call if_changed,objcopy) 1430 1431OBJCOPYFLAGS_lpc32xx-boot-1.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) 1432 1433lpc32xx-boot-1.bin: lpc32xx-spl.img FORCE 1434 $(call if_changed,objcopy) 1435 1436lpc32xx-full.bin: lpc32xx-boot-0.bin lpc32xx-boot-1.bin u-boot.img FORCE 1437 $(call if_changed,cat) 1438 1439endif 1440 1441OBJCOPYFLAGS_u-boot-with-tpl.bin = -I binary -O binary \ 1442 --pad-to=$(CONFIG_TPL_PAD_TO) 1443tpl/u-boot-with-tpl.bin: tpl/u-boot-tpl.bin u-boot.bin FORCE 1444 $(call if_changed,pad_cat) 1445 1446SPL: spl/u-boot-spl.bin FORCE 1447 $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@ 1448 1449ifeq ($(CONFIG_ARCH_IMX8M)$(CONFIG_ARCH_IMX8), y) 1450ifeq ($(CONFIG_SPL_LOAD_IMX_CONTAINER), y) 1451u-boot.cnt: u-boot.bin FORCE 1452 $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@ 1453 1454flash.bin: spl/u-boot-spl.bin u-boot.cnt FORCE 1455 $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@ 1456else 1457flash.bin: spl/u-boot-spl.bin u-boot.itb FORCE 1458 $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@ 1459endif 1460endif 1461 1462u-boot-with-spl.imx u-boot-with-nand-spl.imx: SPL u-boot.bin FORCE 1463 $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@ 1464 1465MKIMAGEFLAGS_u-boot.ubl = -n $(UBL_CONFIG) -T ublimage -e $(CONFIG_SYS_TEXT_BASE) 1466 1467u-boot.ubl: u-boot-with-spl.bin FORCE 1468 $(call if_changed,mkimage) 1469 1470MKIMAGEFLAGS_u-boot-spl.ais = -s -n $(if $(CONFIG_AIS_CONFIG_FILE), \ 1471 $(srctree)/$(CONFIG_AIS_CONFIG_FILE:"%"=%),"/dev/null") \ 1472 -T aisimage -e $(CONFIG_SPL_TEXT_BASE) 1473spl/u-boot-spl.ais: spl/u-boot-spl.bin FORCE 1474 $(call if_changed,mkimage) 1475 1476OBJCOPYFLAGS_u-boot.ais = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) 1477u-boot.ais: spl/u-boot-spl.ais u-boot.img FORCE 1478 $(call if_changed,pad_cat) 1479 1480u-boot-signed.sb: u-boot.bin spl/u-boot-spl.bin 1481 $(Q)$(MAKE) $(build)=arch/arm/cpu/arm926ejs/mxs u-boot-signed.sb 1482u-boot.sb: u-boot.bin spl/u-boot-spl.bin 1483 $(Q)$(MAKE) $(build)=arch/arm/cpu/arm926ejs/mxs u-boot.sb 1484 1485# On x600 (SPEAr600) U-Boot is appended to U-Boot SPL. 1486# Both images are created using mkimage (crc etc), so that the ROM 1487# bootloader can check its integrity. Padding needs to be done to the 1488# SPL image (with mkimage header) and not the binary. Otherwise the resulting image 1489# which is loaded/copied by the ROM bootloader to SRAM doesn't fit. 1490# The resulting image containing both U-Boot images is called u-boot.spr 1491MKIMAGEFLAGS_u-boot-spl.img = -A $(ARCH) -T firmware -C none \ 1492 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER 1493spl/u-boot-spl.img: spl/u-boot-spl.bin FORCE 1494 $(call if_changed,mkimage) 1495 1496OBJCOPYFLAGS_u-boot.spr = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) \ 1497 --gap-fill=0xff 1498u-boot.spr: spl/u-boot-spl.img u-boot.img FORCE 1499 $(call if_changed,pad_cat) 1500 1501ifneq ($(CONFIG_ARCH_SOCFPGA),) 1502quiet_cmd_socboot = SOCBOOT $@ 1503cmd_socboot = cat spl/u-boot-spl.sfp spl/u-boot-spl.sfp \ 1504 spl/u-boot-spl.sfp spl/u-boot-spl.sfp \ 1505 u-boot.img > $@ || rm -f $@ 1506u-boot-with-spl.sfp: spl/u-boot-spl.sfp u-boot.img FORCE 1507 $(call if_changed,socboot) 1508 1509quiet_cmd_socnandboot = SOCNANDBOOT $@ 1510cmd_socnandboot = dd if=/dev/zero of=spl/u-boot-spl.pad bs=64 count=1024 ; \ 1511 cat spl/u-boot-spl.sfp spl/u-boot-spl.pad \ 1512 spl/u-boot-spl.sfp spl/u-boot-spl.pad \ 1513 spl/u-boot-spl.sfp spl/u-boot-spl.pad \ 1514 spl/u-boot-spl.sfp spl/u-boot-spl.pad \ 1515 u-boot.img > $@ || rm -f $@ spl/u-boot-spl.pad 1516u-boot-with-nand-spl.sfp: spl/u-boot-spl.sfp u-boot.img FORCE 1517 $(call if_changed,socnandboot) 1518 1519endif 1520 1521ifeq ($(CONFIG_MPC85xx)$(CONFIG_OF_SEPARATE),yy) 1522u-boot-with-dtb.bin: u-boot.bin u-boot.dtb \ 1523 $(if $(CONFIG_MPC85XX_HAVE_RESET_VECTOR), u-boot-br.bin) FORCE 1524 $(call if_changed,binman) 1525 1526ifeq ($(CONFIG_MPC85XX_HAVE_RESET_VECTOR),y) 1527OBJCOPYFLAGS_u-boot-br.bin := -O binary -j .bootpg -j .resetvec 1528u-boot-br.bin: u-boot FORCE 1529 $(call if_changed,objcopy) 1530endif 1531endif 1532 1533# x86 uses a large ROM. We fill it with 0xff, put the 16-bit stuff (including 1534# reset vector) at the top, Intel ME descriptor at the bottom, and U-Boot in 1535# the middle. This is handled by binman based on an image description in the 1536# board's device tree. 1537ifneq ($(CONFIG_X86_RESET_VECTOR),) 1538rom: u-boot.rom FORCE 1539 1540refcode.bin: $(srctree)/board/$(BOARDDIR)/refcode.bin FORCE 1541 $(call if_changed,copy) 1542 1543quiet_cmd_ldr = LD $@ 1544cmd_ldr = $(LD) $(LDFLAGS_$(@F)) \ 1545 $(filter-out FORCE,$^) -o $@ 1546 1547u-boot.rom: u-boot-x86-start16.bin u-boot-x86-reset16.bin u-boot.bin \ 1548 $(if $(CONFIG_SPL_X86_16BIT_INIT),spl/u-boot-spl.bin) \ 1549 $(if $(CONFIG_TPL_X86_16BIT_INIT),tpl/u-boot-tpl.bin) \ 1550 $(if $(CONFIG_HAVE_REFCODE),refcode.bin) FORCE 1551 $(call if_changed,binman) 1552 1553OBJCOPYFLAGS_u-boot-x86-start16.bin := -O binary -j .start16 1554u-boot-x86-start16.bin: u-boot FORCE 1555 $(call if_changed,objcopy) 1556 1557OBJCOPYFLAGS_u-boot-x86-reset16.bin := -O binary -j .resetvec 1558u-boot-x86-reset16.bin: u-boot FORCE 1559 $(call if_changed,objcopy) 1560endif 1561 1562ifneq ($(CONFIG_ARCH_SUNXI),) 1563ifeq ($(CONFIG_ARM64),) 1564u-boot-sunxi-with-spl.bin: spl/sunxi-spl.bin u-boot.img u-boot.dtb FORCE 1565 $(call if_changed,binman) 1566else 1567u-boot-sunxi-with-spl.bin: spl/sunxi-spl.bin u-boot.itb FORCE 1568 $(call if_changed,cat) 1569endif 1570endif 1571 1572ifneq ($(CONFIG_TEGRA),) 1573ifneq ($(CONFIG_BINMAN),) 1574# Makes u-boot-dtb-tegra.bin u-boot-tegra.bin u-boot-nodtb-tegra.bin 1575%-dtb-tegra.bin %-tegra.bin %-nodtb-tegra.bin: \ 1576 spl/%-spl %.bin FORCE 1577 $(call if_changed,binman) 1578else 1579OBJCOPYFLAGS_u-boot-nodtb-tegra.bin = -O binary --pad-to=$(CONFIG_SYS_TEXT_BASE) 1580u-boot-nodtb-tegra.bin: spl/u-boot-spl u-boot-nodtb.bin FORCE 1581 $(call if_changed,pad_cat) 1582 1583OBJCOPYFLAGS_u-boot-tegra.bin = -O binary --pad-to=$(CONFIG_SYS_TEXT_BASE) 1584u-boot-tegra.bin: spl/u-boot-spl u-boot.bin FORCE 1585 $(call if_changed,pad_cat) 1586 1587u-boot-dtb-tegra.bin: u-boot-tegra.bin FORCE 1588 $(call if_changed,copy) 1589endif # binman 1590endif 1591 1592OBJCOPYFLAGS_u-boot-app.efi := $(OBJCOPYFLAGS_EFI) 1593u-boot-app.efi: u-boot FORCE 1594 $(call if_changed,zobjcopy) 1595 1596u-boot.bin.o: u-boot.bin FORCE 1597 $(call if_changed,efipayload) 1598 1599u-boot-payload.lds: $(LDSCRIPT_EFI) FORCE 1600 $(call if_changed_dep,cpp_lds) 1601 1602# Rule to link the EFI payload which contains a stub and a U-Boot binary 1603quiet_cmd_u-boot_payload ?= LD $@ 1604 cmd_u-boot_payload ?= $(LD) $(LDFLAGS_EFI_PAYLOAD) -o $@ \ 1605 -T u-boot-payload.lds arch/x86/cpu/call32.o \ 1606 lib/efi/efi.o lib/efi/efi_stub.o u-boot.bin.o \ 1607 $(addprefix arch/$(ARCH)/lib/,$(EFISTUB)) 1608 1609u-boot-payload: u-boot.bin.o u-boot-payload.lds FORCE 1610 $(call if_changed,u-boot_payload) 1611 1612OBJCOPYFLAGS_u-boot-payload.efi := $(OBJCOPYFLAGS_EFI) 1613u-boot-payload.efi: u-boot-payload FORCE 1614 $(call if_changed,zobjcopy) 1615 1616u-boot-img.bin: spl/u-boot-spl.bin u-boot.img FORCE 1617 $(call if_changed,cat) 1618 1619#Add a target to create boot binary having SPL binary in PBI format 1620#concatenated with u-boot binary. It is need by PowerPC SoC having 1621#internal SRAM <= 512KB. 1622MKIMAGEFLAGS_u-boot-spl.pbl = -n $(srctree)/$(CONFIG_SYS_FSL_PBL_RCW:"%"=%) \ 1623 -R $(srctree)/$(CONFIG_SYS_FSL_PBL_PBI:"%"=%) -T pblimage \ 1624 -A $(ARCH) -a $(CONFIG_SPL_TEXT_BASE) 1625 1626spl/u-boot-spl.pbl: spl/u-boot-spl.bin FORCE 1627 $(call if_changed,mkimage) 1628 1629ifeq ($(ARCH),arm) 1630UBOOT_BINLOAD := u-boot.img 1631else 1632ifeq ($(CONFIG_MPC85xx)$(CONFIG_OF_SEPARATE),yy) 1633UBOOT_BINLOAD := u-boot-with-dtb.bin 1634else 1635UBOOT_BINLOAD := u-boot.bin 1636endif 1637endif 1638 1639OBJCOPYFLAGS_u-boot-with-spl-pbl.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) \ 1640 --gap-fill=0xff 1641 1642u-boot-with-spl-pbl.bin: spl/u-boot-spl.pbl $(UBOOT_BINLOAD) FORCE 1643 $(call if_changed,pad_cat) 1644 1645# PPC4xx needs the SPL at the end of the image, since the reset vector 1646# is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target 1647# and need to introduce a new build target with the full blown U-Boot 1648# at the start padded up to the start of the SPL image. And then concat 1649# the SPL image to the end. 1650 1651OBJCOPYFLAGS_u-boot-img-spl-at-end.bin := -I binary -O binary \ 1652 --pad-to=$(CONFIG_UBOOT_PAD_TO) --gap-fill=0xff 1653u-boot-img-spl-at-end.bin: u-boot.img spl/u-boot-spl.bin FORCE 1654 $(call if_changed,pad_cat) 1655 1656# Create a new ELF from a raw binary file. 1657ifndef PLATFORM_ELFENTRY 1658 PLATFORM_ELFENTRY = "_start" 1659endif 1660quiet_cmd_u-boot-elf ?= LD $@ 1661 cmd_u-boot-elf ?= $(LD) u-boot-elf.o -o $@ \ 1662 --defsym=$(PLATFORM_ELFENTRY)=$(CONFIG_SYS_TEXT_BASE) \ 1663 -Ttext=$(CONFIG_SYS_TEXT_BASE) 1664u-boot.elf: u-boot.bin 1665 $(Q)$(OBJCOPY) -I binary $(PLATFORM_ELFFLAGS) $< u-boot-elf.o 1666 $(call if_changed,u-boot-elf) 1667 1668# MediaTek's ARM-based u-boot needs a header to contains its load address 1669# which is parsed by the BootROM. 1670# If the SPL build is enabled, the header will be added to the spl binary, 1671# and the spl binary and the u-boot.img will be combined into one file. 1672# Otherwise the header will be added to the u-boot.bin directly. 1673 1674ifeq ($(CONFIG_SPL),y) 1675spl/u-boot-spl-mtk.bin: spl/u-boot-spl 1676 1677u-boot-mtk.bin: u-boot.dtb u-boot.img spl/u-boot-spl-mtk.bin FORCE 1678 $(call if_changed,binman) 1679else 1680MKIMAGEFLAGS_u-boot-mtk.bin = -T mtk_image \ 1681 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) \ 1682 -n "$(patsubst "%",%,$(CONFIG_MTK_BROM_HEADER_INFO))" 1683 1684u-boot-mtk.bin: u-boot.bin FORCE 1685 $(call if_changed,mkimage) 1686endif 1687 1688ARCH_POSTLINK := $(wildcard $(srctree)/arch/$(ARCH)/Makefile.postlink) 1689 1690# Rule to link u-boot 1691# May be overridden by arch/$(ARCH)/config.mk 1692quiet_cmd_u-boot__ ?= LD $@ 1693 cmd_u-boot__ ?= $(LD) $(LDFLAGS) $(LDFLAGS_u-boot) -o $@ \ 1694 -T u-boot.lds $(u-boot-init) \ 1695 --start-group $(u-boot-main) --end-group \ 1696 $(PLATFORM_LIBS) -Map u-boot.map; \ 1697 $(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true) 1698 1699quiet_cmd_smap = GEN common/system_map.o 1700cmd_smap = \ 1701 smap=`$(call SYSTEM_MAP,u-boot) | \ 1702 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \ 1703 $(CC) $(c_flags) -DSYSTEM_MAP="\"$${smap}\"" \ 1704 -c $(srctree)/common/system_map.c -o common/system_map.o 1705 1706u-boot: $(u-boot-init) $(u-boot-main) u-boot.lds FORCE 1707 +$(call if_changed,u-boot__) 1708ifeq ($(CONFIG_KALLSYMS),y) 1709 $(call cmd,smap) 1710 $(call cmd,u-boot__) common/system_map.o 1711endif 1712 1713ifeq ($(CONFIG_RISCV),y) 1714 @tools/prelink-riscv $@ 0 1715endif 1716 1717quiet_cmd_sym ?= SYM $@ 1718 cmd_sym ?= $(OBJDUMP) -t $< > $@ 1719u-boot.sym: u-boot FORCE 1720 $(call if_changed,sym) 1721 1722# The actual objects are generated when descending, 1723# make sure no implicit rule kicks in 1724$(sort $(u-boot-init) $(u-boot-main)): $(u-boot-dirs) ; 1725 1726# Handle descending into subdirectories listed in $(u-boot-dirs) 1727# Preset locale variables to speed up the build process. Limit locale 1728# tweaks to this spot to avoid wrong language settings when running 1729# make menuconfig etc. 1730# Error messages still appears in the original language 1731 1732PHONY += $(u-boot-dirs) 1733$(u-boot-dirs): prepare scripts 1734 $(Q)$(MAKE) $(build)=$@ 1735 1736tools: prepare 1737# The "tools" are needed early 1738$(filter-out tools, $(u-boot-dirs)): tools 1739# The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC 1740# is "yes"), so compile examples after U-Boot is compiled. 1741examples: $(filter-out examples, $(u-boot-dirs)) 1742 1743define filechk_uboot.release 1744 echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" 1745endef 1746 1747# Store (new) UBOOTRELEASE string in include/config/uboot.release 1748include/config/uboot.release: include/config/auto.conf FORCE 1749 $(call filechk,uboot.release) 1750 1751 1752# Things we need to do before we recursively start building the kernel 1753# or the modules are listed in "prepare". 1754# A multi level approach is used. prepareN is processed before prepareN-1. 1755# archprepare is used in arch Makefiles and when processed asm symlink, 1756# version.h and scripts_basic is processed / created. 1757 1758# Listed in dependency order 1759PHONY += prepare archprepare prepare0 prepare1 prepare2 prepare3 1760 1761# prepare3 is used to check if we are building in a separate output directory, 1762# and if so do: 1763# 1) Check that make has not been executed in the kernel src $(srctree) 1764prepare3: include/config/uboot.release 1765ifneq ($(KBUILD_SRC),) 1766 @$(kecho) ' Using $(srctree) as source for U-Boot' 1767 $(Q)if [ -f $(srctree)/.config -o -d $(srctree)/include/config ]; then \ 1768 echo >&2 " $(srctree) is not clean, please run 'make mrproper'"; \ 1769 echo >&2 " in the '$(srctree)' directory.";\ 1770 /bin/false; \ 1771 fi; 1772endif 1773 1774# prepare2 creates a makefile if using a separate output directory 1775prepare2: prepare3 outputmakefile cfg 1776 1777prepare1: prepare2 $(version_h) $(timestamp_h) \ 1778 include/config/auto.conf 1779ifeq ($(wildcard $(LDSCRIPT)),) 1780 @echo >&2 " Could not find linker script." 1781 @/bin/false 1782endif 1783 1784ifeq ($(CONFIG_USE_DEFAULT_ENV_FILE),y) 1785prepare1: $(defaultenv_h) 1786endif 1787 1788archprepare: prepare1 scripts_basic 1789 1790prepare0: archprepare FORCE 1791 $(Q)$(MAKE) $(build)=. 1792 1793# All the preparing.. 1794ifdef CONFIG_DDR_TRAINING_V2 1795prepare: ddr_training_prepare 1796ddr_training_prepare: prepare0 1797else 1798prepare: prepare0 1799endif 1800 1801# Generate some files 1802# --------------------------------------------------------------------------- 1803 1804define filechk_version.h 1805 (echo \#define PLAIN_VERSION \"$(UBOOTRELEASE)\"; \ 1806 echo \#define U_BOOT_VERSION \"U-Boot \" PLAIN_VERSION; \ 1807 echo \#define CC_VERSION_STRING \"$$(LC_ALL=C $(CC) --version | head -n 1)\"; \ 1808 echo \#define LD_VERSION_STRING \"$$(LC_ALL=C $(LD) --version | head -n 1)\"; ) 1809endef 1810 1811# The SOURCE_DATE_EPOCH mechanism requires a date that behaves like GNU date. 1812# The BSD date on the other hand behaves different and would produce errors 1813# with the misused '-d' switch. Respect that and search a working date with 1814# well known pre- and suffixes for the GNU variant of date. 1815define filechk_timestamp.h 1816 (if test -n "$${SOURCE_DATE_EPOCH}"; then \ 1817 SOURCE_DATE="@$${SOURCE_DATE_EPOCH}"; \ 1818 DATE=""; \ 1819 for date in gdate date.gnu date; do \ 1820 $${date} -u -d "$${SOURCE_DATE}" >/dev/null 2>&1 && DATE="$${date}"; \ 1821 done; \ 1822 if test -n "$${DATE}"; then \ 1823 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_DATE "%b %d %C%y"'; \ 1824 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_TIME "%T"'; \ 1825 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_TZ "%z"'; \ 1826 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_DMI_DATE "%m/%d/%Y"'; \ 1827 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_BUILD_DATE 0x%Y%m%d'; \ 1828 else \ 1829 return 42; \ 1830 fi; \ 1831 else \ 1832 LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"'; \ 1833 LC_ALL=C date +'#define U_BOOT_TIME "%T"'; \ 1834 LC_ALL=C date +'#define U_BOOT_TZ "%z"'; \ 1835 LC_ALL=C date +'#define U_BOOT_DMI_DATE "%m/%d/%Y"'; \ 1836 LC_ALL=C date +'#define U_BOOT_BUILD_DATE 0x%Y%m%d'; \ 1837 fi) 1838endef 1839 1840define filechk_defaultenv.h 1841 (grep -v '^#' | \ 1842 grep -v '^$$' | \ 1843 tr '\n' '\0' | \ 1844 sed -e 's/\\\x0/\n/g' | \ 1845 xxd -i ; echo ", 0x00" ; ) 1846endef 1847 1848$(version_h): include/config/uboot.release FORCE 1849 $(call filechk,version.h) 1850 1851$(timestamp_h): $(srctree)/Makefile FORCE 1852 $(call filechk,timestamp.h) 1853 1854$(defaultenv_h): $(CONFIG_DEFAULT_ENV_FILE:"%"=%) FORCE 1855 $(call filechk,defaultenv.h) 1856 1857# --------------------------------------------------------------------------- 1858quiet_cmd_cpp_lds = LDS $@ 1859cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) \ 1860 -D__ASSEMBLY__ -x assembler-with-cpp -std=c99 -P -o $@ $< 1861 1862u-boot.lds: $(LDSCRIPT) prepare FORCE 1863 $(call if_changed_dep,cpp_lds) 1864 1865spl/u-boot-spl.bin: spl/u-boot-spl 1866 @: 1867 $(SPL_SIZE_CHECK) 1868 1869spl/u-boot-spl: tools prepare \ 1870 $(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_SPL_OF_PLATDATA),dts/dt.dtb) \ 1871 $(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_TPL_OF_PLATDATA),dts/dt.dtb) 1872 $(Q)$(MAKE) obj=spl -f $(srctree)/scripts/Makefile.spl all 1873 1874spl/sunxi-spl.bin: spl/u-boot-spl 1875 @: 1876 1877spl/sunxi-spl-with-ecc.bin: spl/sunxi-spl.bin 1878 @: 1879 1880spl/u-boot-spl.sfp: spl/u-boot-spl 1881 @: 1882 1883spl/boot.bin: spl/u-boot-spl 1884 @: 1885 1886tpl/u-boot-tpl.bin: tools prepare \ 1887 $(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_SPL_OF_PLATDATA),dts/dt.dtb) 1888 $(Q)$(MAKE) obj=tpl -f $(srctree)/scripts/Makefile.spl all 1889 $(TPL_SIZE_CHECK) 1890 1891TAG_SUBDIRS := $(patsubst %,$(srctree)/%,$(u-boot-dirs) include) 1892 1893FIND := find 1894FINDFLAGS := -L 1895 1896tags ctags: 1897 ctags -w -o ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 1898 -name '*.[chS]' -print` 1899 ln -s ctags tags 1900 1901etags: 1902 etags -a -o etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 1903 -name '*.[chS]' -print` 1904cscope: 1905 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \ 1906 cscope.files 1907 @find $(TAG_SUBDIRS) -name '*.[chS]' -type l -print | \ 1908 grep -xvf - cscope.files > cscope.files.no-symlinks; \ 1909 mv cscope.files.no-symlinks cscope.files 1910 cscope -b -q -k 1911 1912SYSTEM_MAP = \ 1913 $(NM) $1 | \ 1914 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \ 1915 LC_ALL=C sort 1916System.map: u-boot 1917 @$(call SYSTEM_MAP,$<) > $@ 1918 1919######################################################################### 1920 1921# ARM relocations should all be R_ARM_RELATIVE (32-bit) or 1922# R_AARCH64_RELATIVE (64-bit). 1923checkarmreloc: u-boot 1924 @RELOC="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \ 1925 grep R_A | sort -u`"; \ 1926 if test "$$RELOC" != "R_ARM_RELATIVE" -a \ 1927 "$$RELOC" != "R_AARCH64_RELATIVE"; then \ 1928 echo "$< contains unexpected relocations: $$RELOC"; \ 1929 false; \ 1930 fi 1931 1932tools/version.h: include/version.h 1933 $(Q)mkdir -p $(dir $@) 1934 $(call if_changed,copy) 1935 1936envtools: scripts_basic $(version_h) $(timestamp_h) tools/version.h 1937 $(Q)$(MAKE) $(build)=tools/env 1938 1939tools-only: export TOOLS_ONLY=y 1940tools-only: scripts_basic $(version_h) $(timestamp_h) tools/version.h 1941 $(Q)$(MAKE) $(build)=tools 1942 1943tools-all: export HOST_TOOLS_ALL=y 1944tools-all: envtools tools ; 1945 1946cross_tools: export CROSS_BUILD_TOOLS=y 1947cross_tools: tools ; 1948 1949.PHONY : CHANGELOG 1950CHANGELOG: 1951 git log --no-merges U-Boot-1_1_5.. | \ 1952 unexpand -a | sed -e 's/\s\s*$$//' > $@ 1953 1954######################################################################### 1955 1956### 1957# Cleaning is done on three levels. 1958# make clean Delete most generated files 1959# Leave enough to build external modules 1960# make mrproper Delete the current configuration, and all generated files 1961# make distclean Remove editor backup files, patch leftover files and the like 1962 1963# Directories & files removed with 'make clean' 1964CLEAN_DIRS += $(MODVERDIR) \ 1965 $(foreach d, spl tpl, $(patsubst %,$d/%, \ 1966 $(filter-out include, $(shell ls -1 $d 2>/dev/null)))) 1967 1968CLEAN_FILES += include/bmp_logo.h include/bmp_logo_data.h tools/version.h \ 1969 boot* u-boot* MLO* SPL System.map fit-dtb.blob* \ 1970 u-boot-ivt.img.log u-boot-dtb.imx.log SPL.log u-boot.imx.log \ 1971 lpc32xx-* bl31.c bl31.elf bl31_*.bin image.map tispl.bin* \ 1972 idbloader.img 1973 1974# Directories & files removed with 'make mrproper' 1975MRPROPER_DIRS += include/config include/generated spl tpl \ 1976 .tmp_objdiff 1977MRPROPER_FILES += .config .config.old include/autoconf.mk* include/config.h \ 1978 ctags etags tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS \ 1979 drivers/video/fonts/*.S 1980 1981# clean - Delete most, but leave enough to build external modules 1982# 1983clean: rm-dirs := $(CLEAN_DIRS) 1984clean: rm-files := $(CLEAN_FILES) 1985 1986clean-dirs := $(foreach f,$(u-boot-alldirs),$(if $(wildcard $(srctree)/$f/Makefile),$f)) 1987 1988clean-dirs := $(addprefix _clean_, $(clean-dirs)) 1989 1990PHONY += $(clean-dirs) clean archclean 1991$(clean-dirs): 1992 $(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@) 1993 1994clean: $(clean-dirs) ddr_training_clean 1995 $(call cmd,rmdirs) 1996 $(call cmd,rmfiles) 1997 @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \ 1998 \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \ 1999 -o -name '*.ko.*' -o -name '*.su' -o -name '*.pyc' \ 2000 -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \ 2001 -o -name '*.lex.c' -o -name '*.tab.[ch]' \ 2002 -o -name '*.asn1.[ch]' \ 2003 -o -name '*.symtypes' -o -name 'modules.order' \ 2004 -o -name modules.builtin -o -name '.tmp_*.o.*' \ 2005 -o -name 'dsdt.aml' -o -name 'dsdt.asl.tmp' -o -name 'dsdt.c' \ 2006 -o -name '*.efi' -o -name '*.gcno' -o -name '*.so' \) \ 2007 -type f -print | xargs rm -f 2008 2009# mrproper - Delete all generated files, including .config 2010# 2011mrproper: rm-dirs := $(wildcard $(MRPROPER_DIRS)) 2012mrproper: rm-files := $(wildcard $(MRPROPER_FILES)) 2013mrproper-dirs := $(addprefix _mrproper_,scripts) 2014 2015PHONY += $(mrproper-dirs) mrproper archmrproper 2016$(mrproper-dirs): 2017 $(Q)$(MAKE) $(clean)=$(patsubst _mrproper_%,%,$@) 2018 2019mrproper: clean $(mrproper-dirs) 2020 $(call cmd,rmdirs) 2021 $(call cmd,rmfiles) 2022 @rm -f arch/*/include/asm/arch 2023 2024# distclean 2025# 2026PHONY += distclean 2027 2028distclean: mrproper 2029 @find $(srctree) $(RCS_FIND_IGNORE) \ 2030 \( -name '*.orig' -o -name '*.rej' -o -name '*~' \ 2031 -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \ 2032 -o -name '.*.rej' -o -name '*%' -o -name 'core' \ 2033 -o -name '*.pyc' \) \ 2034 -type f -print | xargs rm -f 2035 @rm -f boards.cfg CHANGELOG 2036 2037backup: 2038 F=`basename $(srctree)` ; cd .. ; \ 2039 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F 2040 2041help: 2042 @echo 'Cleaning targets:' 2043 @echo ' clean - Remove most generated files but keep the config' 2044 @echo ' mrproper - Remove all generated files + config + various backup files' 2045 @echo ' distclean - mrproper + remove editor backup and patch files' 2046 @echo '' 2047 @echo 'Configuration targets:' 2048 @$(MAKE) -f $(srctree)/scripts/kconfig/Makefile help 2049 @echo '' 2050 @echo 'Test targets:' 2051 @echo '' 2052 @echo ' check - Run all automated tests that use sandbox' 2053 @echo ' qcheck - Run quick automated tests that use sandbox' 2054 @echo '' 2055 @echo 'Other generic targets:' 2056 @echo ' all - Build all necessary images depending on configuration' 2057 @echo ' tests - Build U-Boot for sandbox and run tests' 2058 @echo '* u-boot - Build the bare u-boot' 2059 @echo ' dir/ - Build all files in dir and below' 2060 @echo ' dir/file.[oisS] - Build specified target only' 2061 @echo ' dir/file.lst - Build specified mixed source/assembly target only' 2062 @echo ' (requires a recent binutils and recent build (System.map))' 2063 @echo ' tags/ctags - Generate ctags file for editors' 2064 @echo ' etags - Generate etags file for editors' 2065 @echo ' cscope - Generate cscope index' 2066 @echo ' ubootrelease - Output the release version string (use with make -s)' 2067 @echo ' ubootversion - Output the version stored in Makefile (use with make -s)' 2068 @echo " cfg - Don't build, just create the .cfg files" 2069 @echo " envtools - Build only the target-side environment tools" 2070 @echo '' 2071 @echo 'Static analysers' 2072 @echo ' checkstack - Generate a list of stack hogs' 2073 @echo ' coccicheck - Execute static code analysis with Coccinelle' 2074 @echo '' 2075 @echo 'Documentation targets:' 2076 @$(MAKE) -f $(srctree)/doc/Makefile dochelp 2077 @echo '' 2078 @echo ' make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build' 2079 @echo ' make V=2 [targets] 2 => give reason for rebuild of target' 2080 @echo ' make O=dir [targets] Locate all output files in "dir", including .config' 2081 @echo ' make C=1 [targets] Check all c source with $$CHECK (sparse by default)' 2082 @echo ' make C=2 [targets] Force check of all c source with $$CHECK' 2083 @echo ' make RECORDMCOUNT_WARN=1 [targets] Warn about ignored mcount sections' 2084 @echo ' make W=n [targets] Enable extra gcc checks, n=1,2,3 where' 2085 @echo ' 1: warnings which may be relevant and do not occur too often' 2086 @echo ' 2: warnings which occur quite often but may still be relevant' 2087 @echo ' 3: more obscure warnings, can most likely be ignored' 2088 @echo ' Multiple levels can be combined with W=12 or W=123' 2089 @echo '' 2090 @echo 'Execute "make" or "make all" to build all targets marked with [*] ' 2091 @echo 'For further info see the ./README file' 2092 2093tests check: 2094 $(srctree)/test/run 2095 2096qcheck: 2097 $(srctree)/test/run quick 2098 2099# Documentation targets 2100# --------------------------------------------------------------------------- 2101DOC_TARGETS := xmldocs latexdocs pdfdocs htmldocs epubdocs cleandocs \ 2102 linkcheckdocs dochelp refcheckdocs 2103PHONY += $(DOC_TARGETS) 2104$(DOC_TARGETS): scripts_basic FORCE 2105 $(Q)$(MAKE) $(build)=doc $@ 2106 2107endif #ifeq ($(config-targets),1) 2108endif #ifeq ($(mixed-targets),1) 2109 2110PHONY += checkstack ubootrelease ubootversion 2111 2112checkstack: 2113 $(OBJDUMP) -d u-boot $$(find . -name u-boot-spl) | \ 2114 $(PERL) $(src)/scripts/checkstack.pl $(ARCH) 2115 2116ubootrelease: 2117 @echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" 2118 2119ubootversion: 2120 @echo $(UBOOTVERSION) 2121 2122# Single targets 2123# --------------------------------------------------------------------------- 2124# Single targets are compatible with: 2125# - build with mixed source and output 2126# - build with separate output dir 'make O=...' 2127# - external modules 2128# 2129# target-dir => where to store outputfile 2130# build-dir => directory in kernel source tree to use 2131 2132ifeq ($(KBUILD_EXTMOD),) 2133 build-dir = $(patsubst %/,%,$(dir $@)) 2134 target-dir = $(dir $@) 2135else 2136 zap-slash=$(filter-out .,$(patsubst %/,%,$(dir $@))) 2137 build-dir = $(KBUILD_EXTMOD)$(if $(zap-slash),/$(zap-slash)) 2138 target-dir = $(if $(KBUILD_EXTMOD),$(dir $<),$(dir $@)) 2139endif 2140 2141%.s: %.c prepare scripts FORCE 2142 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 2143%.i: %.c prepare scripts FORCE 2144 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 2145%.o: %.c prepare scripts FORCE 2146 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 2147%.lst: %.c prepare scripts FORCE 2148 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 2149%.s: %.S prepare scripts FORCE 2150 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 2151%.o: %.S prepare scripts FORCE 2152 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 2153%.symtypes: %.c prepare scripts FORCE 2154 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 2155 2156# Modules 2157/: prepare scripts FORCE 2158 $(cmd_crmodverdir) 2159 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 2160 $(build)=$(build-dir) 2161%/: prepare scripts FORCE 2162 $(cmd_crmodverdir) 2163 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 2164 $(build)=$(build-dir) 2165%.ko: prepare scripts FORCE 2166 $(cmd_crmodverdir) 2167 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 2168 $(build)=$(build-dir) $(@:.ko=.o) 2169 $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost 2170 2171quiet_cmd_genenv = GENENV $@ 2172cmd_genenv = $(OBJCOPY) --dump-section .rodata.default_environment=$@ env/common.o; \ 2173 sed --in-place -e 's/\x00/\x0A/g' $@ 2174 2175u-boot-initial-env: u-boot.bin 2176 $(call if_changed,genenv) 2177 2178# Consistency checks 2179# --------------------------------------------------------------------------- 2180 2181PHONY += coccicheck 2182 2183coccicheck: 2184 $(Q)$(CONFIG_SHELL) $(srctree)/scripts/$@ 2185 2186# FIXME Should go into a make.lib or something 2187# =========================================================================== 2188 2189quiet_cmd_rmdirs = $(if $(wildcard $(rm-dirs)),CLEAN $(wildcard $(rm-dirs))) 2190 cmd_rmdirs = rm -rf $(rm-dirs) 2191 2192quiet_cmd_rmfiles = $(if $(wildcard $(rm-files)),CLEAN $(wildcard $(rm-files))) 2193 cmd_rmfiles = rm -f $(rm-files) 2194 2195# read all saved command lines 2196 2197targets := $(wildcard $(sort $(targets))) 2198cmd_files := $(wildcard .*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd)) 2199 2200ifneq ($(cmd_files),) 2201 $(cmd_files): ; # Do not try to update included dependency files 2202 include $(cmd_files) 2203endif 2204 2205endif # skip-makefile 2206 2207DDR_SSRC := ddr_training_custom.h ddr_training_custom.c 2208ifndef CONFIG_MINI_BOOT 2209ddr_training_prepare:$(DDR_SSRC) 2210 make -C $(srctree)/drivers/ddr/hisilicon/default/cmd_bin all 2211else 2212ddr_training_prepare:$(DDR_SSRC) 2213endif 2214 2215ddr_training_clean: 2216 make -C $(srctree)/drivers/ddr/hisilicon/default/cmd_bin clean 2217 @for file in $(DDR_SSRC); \ 2218 do \ 2219 rm -f $(srctree)/drivers/ddr/hisilicon/default/$$file; \ 2220 done 2221 @if [ -f $(srctree)/ddr_cmd.bin ]; then rm $(srctree)/ddr_cmd.bin; fi; 2222$(DDR_SSRC): 2223 ln -sf ../$(SOC)/$@ $(CURDIR)/drivers/ddr/hisilicon/default/$@ 2224PHONY += FORCE 2225FORCE: 2226 2227# Declare the contents of the .PHONY variable as phony. We keep that 2228# information in a variable so we can use it in if_changed and friends. 2229.PHONY: $(PHONY) 2230