1# 2# SPDX-License-Identifier: GPL-2.0+ 3# 4 5VERSION = 2017 6PATCHLEVEL = 09 7SUBLEVEL = 8EXTRAVERSION = 9NAME = 10 11# *DOCUMENTATION* 12# To see a list of typical targets execute "make help" 13# More info can be located in ./README 14# Comments in this file are targeted only to the developer, do not 15# expect to learn how to build the kernel reading this file. 16 17# o Do not use make's built-in rules and variables 18# (this increases performance and avoids hard-to-debug behaviour); 19# o Look for make include files relative to root of kernel src 20MAKEFLAGS += -rR --include-dir=$(CURDIR) 21 22# Avoid funny character set dependencies 23unexport LC_ALL 24LC_COLLATE=C 25LC_NUMERIC=C 26export LC_COLLATE LC_NUMERIC 27 28# Avoid interference with shell env settings 29unexport GREP_OPTIONS 30 31# We are using a recursive build, so we need to do a little thinking 32# to get the ordering right. 33# 34# Most importantly: sub-Makefiles should only ever modify files in 35# their own directory. If in some directory we have a dependency on 36# a file in another dir (which doesn't happen often, but it's often 37# unavoidable when linking the built-in.o targets which finally 38# turn into vmlinux), we will call a sub make in that other dir, and 39# after that we are sure that everything which is in that other dir 40# is now up to date. 41# 42# The only cases where we need to modify files which have global 43# effects are thus separated out and done before the recursive 44# descending is started. They are now explicitly listed as the 45# prepare rule. 46 47# Beautify output 48# --------------------------------------------------------------------------- 49# 50# Normally, we echo the whole command before executing it. By making 51# that echo $($(quiet)$(cmd)), we now have the possibility to set 52# $(quiet) to choose other forms of output instead, e.g. 53# 54# quiet_cmd_cc_o_c = Compiling $(RELDIR)/$@ 55# cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $< 56# 57# If $(quiet) is empty, the whole command will be printed. 58# If it is set to "quiet_", only the short version will be printed. 59# If it is set to "silent_", nothing will be printed at all, since 60# the variable $(silent_cmd_cc_o_c) doesn't exist. 61# 62# A simple variant is to prefix commands with $(Q) - that's useful 63# for commands that shall be hidden in non-verbose mode. 64# 65# $(Q)ln $@ :< 66# 67# If KBUILD_VERBOSE equals 0 then the above command will be hidden. 68# If KBUILD_VERBOSE equals 1 then the above command is displayed. 69# 70# To put more focus on warnings, be less verbose as default 71# Use 'make V=1' to see the full commands 72 73ifeq ("$(origin V)", "command line") 74 KBUILD_VERBOSE = $(V) 75endif 76ifndef KBUILD_VERBOSE 77 KBUILD_VERBOSE = 0 78endif 79 80ifeq ($(KBUILD_VERBOSE),1) 81 quiet = 82 Q = 83else 84 quiet=quiet_ 85 Q = @ 86endif 87 88# If the user is running make -s (silent mode), suppress echoing of 89# commands 90 91ifneq ($(filter 4.%,$(MAKE_VERSION)),) # make-4 92ifneq ($(filter %s ,$(firstword x$(MAKEFLAGS))),) 93 quiet=silent_ 94endif 95else # make-3.8x 96ifneq ($(filter s% -s%,$(MAKEFLAGS)),) 97 quiet=silent_ 98endif 99endif 100 101export quiet Q KBUILD_VERBOSE 102 103# kbuild supports saving output files in a separate directory. 104# To locate output files in a separate directory two syntaxes are supported. 105# In both cases the working directory must be the root of the kernel src. 106# 1) O= 107# Use "make O=dir/to/store/output/files/" 108# 109# 2) Set KBUILD_OUTPUT 110# Set the environment variable KBUILD_OUTPUT to point to the directory 111# where the output files shall be placed. 112# export KBUILD_OUTPUT=dir/to/store/output/files/ 113# make 114# 115# The O= assignment takes precedence over the KBUILD_OUTPUT environment 116# variable. 117 118# KBUILD_SRC is set on invocation of make in OBJ directory 119# KBUILD_SRC is not intended to be used by the regular user (for now) 120ifeq ($(KBUILD_SRC),) 121 122# OK, Make called in directory where kernel src resides 123# Do we want to locate output files in a separate directory? 124ifeq ("$(origin O)", "command line") 125 KBUILD_OUTPUT := $(O) 126endif 127 128# That's our default target when none is given on the command line 129PHONY := _all 130_all: 131 132# Cancel implicit rules on top Makefile 133$(CURDIR)/Makefile Makefile: ; 134 135ifneq ($(KBUILD_OUTPUT),) 136# Invoke a second make in the output directory, passing relevant variables 137# check that the output directory actually exists 138saved-output := $(KBUILD_OUTPUT) 139KBUILD_OUTPUT := $(shell mkdir -p $(KBUILD_OUTPUT) && cd $(KBUILD_OUTPUT) \ 140 && /bin/pwd) 141$(if $(KBUILD_OUTPUT),, \ 142 $(error failed to create output directory "$(saved-output)")) 143 144PHONY += $(MAKECMDGOALS) sub-make 145 146$(filter-out _all sub-make $(CURDIR)/Makefile, $(MAKECMDGOALS)) _all: sub-make 147 @: 148 149sub-make: FORCE 150 $(Q)$(MAKE) -C $(KBUILD_OUTPUT) KBUILD_SRC=$(CURDIR) \ 151 -f $(CURDIR)/Makefile $(filter-out _all sub-make,$(MAKECMDGOALS)) 152 153# Leave processing to above invocation of make 154skip-makefile := 1 155endif # ifneq ($(KBUILD_OUTPUT),) 156endif # ifeq ($(KBUILD_SRC),) 157 158# We process the rest of the Makefile if this is the final invocation of make 159ifeq ($(skip-makefile),) 160 161# Do not print "Entering directory ...", 162# but we want to display it when entering to the output directory 163# so that IDEs/editors are able to understand relative filenames. 164MAKEFLAGS += --no-print-directory 165 166# Call a source code checker (by default, "sparse") as part of the 167# C compilation. 168# 169# Use 'make C=1' to enable checking of only re-compiled files. 170# Use 'make C=2' to enable checking of *all* source files, regardless 171# of whether they are re-compiled or not. 172# 173# See the file "Documentation/sparse.txt" for more details, including 174# where to get the "sparse" utility. 175 176ifeq ("$(origin C)", "command line") 177 KBUILD_CHECKSRC = $(C) 178endif 179ifndef KBUILD_CHECKSRC 180 KBUILD_CHECKSRC = 0 181endif 182 183# Use make M=dir to specify directory of external module to build 184# Old syntax make ... SUBDIRS=$PWD is still supported 185# Setting the environment variable KBUILD_EXTMOD take precedence 186ifdef SUBDIRS 187 KBUILD_EXTMOD ?= $(SUBDIRS) 188endif 189 190ifeq ("$(origin M)", "command line") 191 KBUILD_EXTMOD := $(M) 192endif 193 194# If building an external module we do not care about the all: rule 195# but instead _all depend on modules 196PHONY += all 197ifeq ($(KBUILD_EXTMOD),) 198_all: all 199else 200_all: modules 201endif 202 203ifeq ($(KBUILD_SRC),) 204 # building in the source tree 205 srctree := . 206else 207 ifeq ($(KBUILD_SRC)/,$(dir $(CURDIR))) 208 # building in a subdirectory of the source tree 209 srctree := .. 210 else 211 srctree := $(KBUILD_SRC) 212 endif 213endif 214objtree := . 215src := $(srctree) 216obj := $(objtree) 217 218VPATH := $(srctree)$(if $(KBUILD_EXTMOD),:$(KBUILD_EXTMOD)) 219 220export srctree objtree VPATH 221 222# Make sure CDPATH settings don't interfere 223unexport CDPATH 224 225######################################################################### 226 227HOSTARCH := $(shell uname -m | \ 228 sed -e s/i.86/x86/ \ 229 -e s/sun4u/sparc64/ \ 230 -e s/arm.*/arm/ \ 231 -e s/sa110/arm/ \ 232 -e s/ppc64/powerpc/ \ 233 -e s/ppc/powerpc/ \ 234 -e s/macppc/powerpc/\ 235 -e s/sh.*/sh/) 236 237HOSTOS := $(shell uname -s | tr '[:upper:]' '[:lower:]' | \ 238 sed -e 's/\(cygwin\).*/cygwin/') 239 240export HOSTARCH HOSTOS 241 242######################################################################### 243 244# set default to nothing for native builds 245ifeq ($(HOSTARCH),$(ARCH)) 246CROSS_COMPILE ?= 247endif 248 249KCONFIG_CONFIG ?= .config 250export KCONFIG_CONFIG 251 252# SHELL used by kbuild 253CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \ 254 else if [ -x /bin/bash ]; then echo /bin/bash; \ 255 else echo sh; fi ; fi) 256 257HOSTCC = cc 258HOSTCXX = c++ 259HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer \ 260 $(if $(CONFIG_TOOLS_DEBUG),-g) 261HOSTCXXFLAGS = -O2 262 263ifeq ($(HOSTOS),cygwin) 264HOSTCFLAGS += -ansi 265endif 266 267# Mac OS X / Darwin's C preprocessor is Apple specific. It 268# generates numerous errors and warnings. We want to bypass it 269# and use GNU C's cpp. To do this we pass the -traditional-cpp 270# option to the compiler. Note that the -traditional-cpp flag 271# DOES NOT have the same semantics as GNU C's flag, all it does 272# is invoke the GNU preprocessor in stock ANSI/ISO C fashion. 273# 274# Apple's linker is similar, thanks to the new 2 stage linking 275# multiple symbol definitions are treated as errors, hence the 276# -multiply_defined suppress option to turn off this error. 277# 278ifeq ($(HOSTOS),darwin) 279# get major and minor product version (e.g. '10' and '6' for Snow Leopard) 280DARWIN_MAJOR_VERSION = $(shell sw_vers -productVersion | cut -f 1 -d '.') 281DARWIN_MINOR_VERSION = $(shell sw_vers -productVersion | cut -f 2 -d '.') 282 283os_x_before = $(shell if [ $(DARWIN_MAJOR_VERSION) -le $(1) -a \ 284 $(DARWIN_MINOR_VERSION) -le $(2) ] ; then echo "$(3)"; else echo "$(4)"; fi ;) 285 286# Snow Leopards build environment has no longer restrictions as described above 287HOSTCC = $(call os_x_before, 10, 5, "cc", "gcc") 288HOSTCFLAGS += $(call os_x_before, 10, 4, "-traditional-cpp") 289HOSTLDFLAGS += $(call os_x_before, 10, 5, "-multiply_defined suppress") 290 291# since Lion (10.7) ASLR is on by default, but we use linker generated lists 292# in some host tools which is a problem then ... so disable ASLR for these 293# tools 294HOSTLDFLAGS += $(call os_x_before, 10, 7, "", "-Xlinker -no_pie") 295endif 296 297# Decide whether to build built-in, modular, or both. 298# Normally, just do built-in. 299 300KBUILD_MODULES := 301KBUILD_BUILTIN := 1 302 303# If we have only "make modules", don't compile built-in objects. 304# When we're building modules with modversions, we need to consider 305# the built-in objects during the descend as well, in order to 306# make sure the checksums are up to date before we record them. 307 308ifeq ($(MAKECMDGOALS),modules) 309 KBUILD_BUILTIN := $(if $(CONFIG_MODVERSIONS),1) 310endif 311 312# If we have "make <whatever> modules", compile modules 313# in addition to whatever we do anyway. 314# Just "make" or "make all" shall build modules as well 315 316# U-Boot does not need modules 317#ifneq ($(filter all _all modules,$(MAKECMDGOALS)),) 318# KBUILD_MODULES := 1 319#endif 320 321#ifeq ($(MAKECMDGOALS),) 322# KBUILD_MODULES := 1 323#endif 324 325export KBUILD_MODULES KBUILD_BUILTIN 326export KBUILD_CHECKSRC KBUILD_SRC KBUILD_EXTMOD 327 328# We need some generic definitions (do not try to remake the file). 329scripts/Kbuild.include: ; 330include scripts/Kbuild.include 331 332# Make variables (CC, etc...) 333 334AS = $(CROSS_COMPILE)as 335# Always use GNU ld 336ifneq ($(shell $(CROSS_COMPILE)ld.bfd -v 2> /dev/null),) 337LD = $(CROSS_COMPILE)ld.bfd 338else 339LD = $(CROSS_COMPILE)ld 340endif 341CC = $(CROSS_COMPILE)gcc 342CPP = $(CC) -E 343AR = $(CROSS_COMPILE)ar 344NM = $(CROSS_COMPILE)nm 345LDR = $(CROSS_COMPILE)ldr 346STRIP = $(CROSS_COMPILE)strip 347OBJCOPY = $(CROSS_COMPILE)objcopy 348OBJDUMP = $(CROSS_COMPILE)objdump 349AWK = awk 350PERL = perl 351PYTHON ?= python 352DTC ?= $(objtree)/scripts/dtc/dtc 353CHECK = sparse 354 355CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \ 356 -Wbitwise -Wno-return-void -D__CHECK_ENDIAN__ $(CF) 357 358KBUILD_CPPFLAGS := -D__KERNEL__ -D__UBOOT__ 359 360KBUILD_CFLAGS := -Wall -Wstrict-prototypes \ 361 -Wno-format-security \ 362 -fno-builtin -ffreestanding 363KBUILD_CFLAGS += -fshort-wchar -Werror 364KBUILD_AFLAGS := -D__ASSEMBLY__ 365 366# Read UBOOTRELEASE from include/config/uboot.release (if it exists) 367UBOOTRELEASE = $(shell cat include/config/uboot.release 2> /dev/null) 368UBOOTVERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SUBLEVEL)))$(EXTRAVERSION) 369 370export VERSION PATCHLEVEL SUBLEVEL UBOOTRELEASE UBOOTVERSION 371export ARCH CPU BOARD VENDOR SOC CPUDIR BOARDDIR 372export CONFIG_SHELL HOSTCC HOSTCFLAGS HOSTLDFLAGS CROSS_COMPILE AS LD CC 373export CPP AR NM LDR STRIP OBJCOPY OBJDUMP 374export MAKE AWK PERL PYTHON 375export HOSTCXX HOSTCXXFLAGS CHECK CHECKFLAGS DTC DTC_FLAGS 376 377export KBUILD_CPPFLAGS NOSTDINC_FLAGS UBOOTINCLUDE OBJCOPYFLAGS LDFLAGS 378export KBUILD_CFLAGS KBUILD_AFLAGS 379 380# When compiling out-of-tree modules, put MODVERDIR in the module 381# tree rather than in the kernel tree. The kernel tree might 382# even be read-only. 383export MODVERDIR := $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/).tmp_versions 384 385# Files to ignore in find ... statements 386 387export RCS_FIND_IGNORE := \( -name SCCS -o -name BitKeeper -o -name .svn -o \ 388 -name CVS -o -name .pc -o -name .hg -o -name .git \) \ 389 -prune -o 390export RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn \ 391 --exclude CVS --exclude .pc --exclude .hg --exclude .git 392 393# =========================================================================== 394# Rules shared between *config targets and build targets 395 396# Basic helpers built in scripts/ 397PHONY += scripts_basic 398scripts_basic: 399 $(Q)$(MAKE) $(build)=scripts/basic 400 $(Q)rm -f .tmp_quiet_recordmcount 401 @mkdir -p spl/board/forlinx/ok3568/nxp_a1007 402 @mkdir -p tpl/board/forlinx/ok3568/nxp_a1007 403 @cp board/forlinx/ok3568/fuse.mod board/forlinx/ok3568/fuse.o 404 @cp release-uboot/spl/fuse.mod spl/board/forlinx/ok3568/fuse.o 405 @cp release-uboot/tpl/fuse.mod tpl/board/forlinx/ok3568/fuse.o 406 @cp board/forlinx/ok3568/eep.mod board/forlinx/ok3568/eep.o 407 @cp release-uboot/spl/eep.mod spl/board/forlinx/ok3568/eep.o 408 @cp release-uboot/tpl/eep.mod tpl/board/forlinx/ok3568/eep.o 409 @cp board/forlinx/ok3568/nxp-a1007.mod board/forlinx/ok3568/nxp_a1007/nxp-a1007.o 410 @cp release-uboot/spl/nxp-a1007.mod spl/board/forlinx/ok3568/nxp_a1007/nxp-a1007.o 411 @cp release-uboot/tpl/nxp-a1007.mod tpl/board/forlinx/ok3568/nxp_a1007/nxp-a1007.o 412 @cp arch/arm/mach-rockchip/board.mod arch/arm/mach-rockchip/board.o 413 @cp board/forlinx/ok3568/menu.mod board/forlinx/ok3568/menu.o 414 @cp release-uboot/spl/menu.mod spl/board/forlinx/ok3568/menu.o 415 @cp release-uboot/tpl/menu.mod tpl/board/forlinx/ok3568/menu.o 416 417 418# To avoid any implicit rule to kick in, define an empty command. 419scripts/basic/%: scripts_basic ; 420 421PHONY += outputmakefile 422# outputmakefile generates a Makefile in the output directory, if using a 423# separate output directory. This allows convenient use of make in the 424# output directory. 425outputmakefile: 426ifneq ($(KBUILD_SRC),) 427 $(Q)ln -fsn $(srctree) source 428 $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile \ 429 $(srctree) $(objtree) $(VERSION) $(PATCHLEVEL) 430endif 431 432# To make sure we do not include .config for any of the *config targets 433# catch them early, and hand them over to scripts/kconfig/Makefile 434# It is allowed to specify more targets when calling make, including 435# mixing *config targets and build targets. 436# For example 'make oldconfig all'. 437# Detect when mixed targets is specified, and make a second invocation 438# of make so .config is not included in this case either (for *config). 439 440version_h := include/generated/version_autogenerated.h 441timestamp_h := include/generated/timestamp_autogenerated.h 442 443no-dot-config-targets := clean clobber mrproper distclean \ 444 help %docs check% coccicheck \ 445 ubootversion backup tests 446 447config-targets := 0 448mixed-targets := 0 449dot-config := 1 450 451ifneq ($(filter $(no-dot-config-targets), $(MAKECMDGOALS)),) 452 ifeq ($(filter-out $(no-dot-config-targets), $(MAKECMDGOALS)),) 453 dot-config := 0 454 endif 455endif 456 457ifeq ($(KBUILD_EXTMOD),) 458 ifneq ($(filter config %config,$(MAKECMDGOALS)),) 459 config-targets := 1 460 ifneq ($(words $(MAKECMDGOALS)),1) 461 mixed-targets := 1 462 endif 463 endif 464endif 465 466ifeq ($(mixed-targets),1) 467# =========================================================================== 468# We're called with mixed targets (*config and build targets). 469# Handle them one by one. 470 471PHONY += $(MAKECMDGOALS) __build_one_by_one 472 473$(filter-out __build_one_by_one, $(MAKECMDGOALS)): __build_one_by_one 474 @: 475 476__build_one_by_one: 477 $(Q)set -e; \ 478 for i in $(MAKECMDGOALS); do \ 479 $(MAKE) -f $(srctree)/Makefile $$i; \ 480 done 481 482else 483ifeq ($(config-targets),1) 484# =========================================================================== 485# *config targets only - make sure prerequisites are updated, and descend 486# in scripts/kconfig to make the *config target 487 488KBUILD_DEFCONFIG := sandbox_defconfig 489export KBUILD_DEFCONFIG KBUILD_KCONFIG 490 491config: scripts_basic outputmakefile FORCE 492 $(Q)$(MAKE) $(build)=scripts/kconfig $@ 493 494%config: scripts_basic outputmakefile FORCE 495 $(Q)$(MAKE) $(build)=scripts/kconfig $@ 496 497else 498# =========================================================================== 499# Build targets only - this includes vmlinux, arch specific targets, clean 500# targets and others. In general all targets except *config targets. 501 502# Additional helpers built in scripts/ 503# Carefully list dependencies so we do not try to build scripts twice 504# in parallel 505PHONY += scripts 506scripts: scripts_basic include/config/auto.conf 507 $(Q)$(MAKE) $(build)=$(@) 508 509ifeq ($(dot-config),1) 510# Read in config 511-include include/config/auto.conf 512 513# Read in dependencies to all Kconfig* files, make sure to run 514# oldconfig if changes are detected. 515-include include/config/auto.conf.cmd 516 517# To avoid any implicit rule to kick in, define an empty command 518$(KCONFIG_CONFIG) include/config/auto.conf.cmd: ; 519 520# If .config is newer than include/config/auto.conf, someone tinkered 521# with it and forgot to run make oldconfig. 522# if auto.conf.cmd is missing then we are probably in a cleaned tree so 523# we execute the config step to be sure to catch updated Kconfig files 524include/config/%.conf: $(KCONFIG_CONFIG) include/config/auto.conf.cmd 525 $(Q)$(MAKE) -f $(srctree)/Makefile silentoldconfig 526 @# If the following part fails, include/config/auto.conf should be 527 @# deleted so "make silentoldconfig" will be re-run on the next build. 528 $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.autoconf || \ 529 { rm -f include/config/auto.conf; false; } 530 @# include/config.h has been updated after "make silentoldconfig". 531 @# We need to touch include/config/auto.conf so it gets newer 532 @# than include/config.h. 533 @# Otherwise, 'make silentoldconfig' would be invoked twice. 534 $(Q)touch include/config/auto.conf 535 536u-boot.cfg spl/u-boot.cfg tpl/u-boot.cfg: include/config.h FORCE 537 $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.autoconf $(@) 538 539-include include/autoconf.mk 540-include include/autoconf.mk.dep 541 542# We want to include arch/$(ARCH)/config.mk only when include/config/auto.conf 543# is up-to-date. When we switch to a different board configuration, old CONFIG 544# macros are still remaining in include/config/auto.conf. Without the following 545# gimmick, wrong config.mk would be included leading nasty warnings/errors. 546ifneq ($(wildcard $(KCONFIG_CONFIG)),) 547ifneq ($(wildcard include/config/auto.conf),) 548autoconf_is_old := $(shell find . -path ./$(KCONFIG_CONFIG) -newer \ 549 include/config/auto.conf) 550ifeq ($(autoconf_is_old),) 551include config.mk 552include arch/$(ARCH)/Makefile 553endif 554endif 555endif 556 557# These are set by the arch-specific config.mk. Make sure they are exported 558# so they can be used when building an EFI application. 559export EFI_LDS # Filename of EFI link script in arch/$(ARCH)/lib 560export EFI_CRT0 # Filename of EFI CRT0 in arch/$(ARCH)/lib 561export EFI_RELOC # Filename of EFU relocation code in arch/$(ARCH)/lib 562export CFLAGS_EFI # Compiler flags to add when building EFI app 563export CFLAGS_NON_EFI # Compiler flags to remove when building EFI app 564export EFI_TARGET # binutils target if EFI is natively supported 565 566# If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use 567# that (or fail if absent). Otherwise, search for a linker script in a 568# standard location. 569 570ifndef LDSCRIPT 571 #LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds.debug 572 ifdef CONFIG_SYS_LDSCRIPT 573 # need to strip off double quotes 574 LDSCRIPT := $(srctree)/$(CONFIG_SYS_LDSCRIPT:"%"=%) 575 endif 576endif 577 578# If there is no specified link script, we look in a number of places for it 579ifndef LDSCRIPT 580 ifeq ($(wildcard $(LDSCRIPT)),) 581 LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds 582 endif 583 ifeq ($(wildcard $(LDSCRIPT)),) 584 LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot.lds 585 endif 586 ifeq ($(wildcard $(LDSCRIPT)),) 587 LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot.lds 588 endif 589endif 590 591else 592# Dummy target needed, because used as prerequisite 593include/config/auto.conf: ; 594endif # $(dot-config) 595 596# 597# Xtensa linker script cannot be preprocessed with -ansi because of 598# preprocessor operations on strings that don't make C identifiers. 599# 600ifeq ($(CONFIG_XTENSA),) 601LDPPFLAGS += -ansi 602endif 603 604ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE 605KBUILD_CFLAGS += -Os 606else 607KBUILD_CFLAGS += -O2 608endif 609 610KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector) 611KBUILD_CFLAGS += $(call cc-option,-fno-delete-null-pointer-checks) 612 613KBUILD_CFLAGS += -g 614# $(KBUILD_AFLAGS) sets -g, which causes gcc to pass a suitable -g<format> 615# option to the assembler. 616KBUILD_AFLAGS += -g 617 618# Report stack usage if supported 619ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-stack-usage.sh $(CC)),y) 620 KBUILD_CFLAGS += -fstack-usage 621endif 622 623KBUILD_CFLAGS += $(call cc-option,-Wno-format-nonliteral) 624KBUILD_CFLAGS += $(call cc-disable-warning, address-of-packed-member) 625 626# turn jbsr into jsr for m68k 627ifeq ($(ARCH),m68k) 628ifeq ($(findstring 3.4,$(shell $(CC) --version)),3.4) 629KBUILD_AFLAGS += -Wa,-gstabs,-S 630endif 631endif 632 633# Prohibit date/time macros, which would make the build non-deterministic 634KBUILD_CFLAGS += $(call cc-option,-Werror=date-time) 635 636include scripts/Makefile.extrawarn 637 638# Add user supplied CPPFLAGS, AFLAGS and CFLAGS as the last assignments 639KBUILD_CPPFLAGS += $(KCPPFLAGS) 640KBUILD_AFLAGS += $(KAFLAGS) 641KBUILD_CFLAGS += $(KCFLAGS) 642 643# Use UBOOTINCLUDE when you must reference the include/ directory. 644# Needed to be compatible with the O= option 645UBOOTINCLUDE := \ 646 -Iinclude \ 647 $(if $(KBUILD_SRC), -I$(srctree)/include) \ 648 $(if $(CONFIG_$(SPL_)SYS_THUMB_BUILD), \ 649 $(if $(CONFIG_HAS_THUMB2),, \ 650 -I$(srctree)/arch/$(ARCH)/thumb1/include),) \ 651 -I$(srctree)/arch/$(ARCH)/include \ 652 -include $(srctree)/include/linux/kconfig.h 653 654NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include) 655CHECKFLAGS += $(NOSTDINC_FLAGS) 656 657# FIX ME 658cpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \ 659 $(NOSTDINC_FLAGS) 660c_flags := $(KBUILD_CFLAGS) $(cpp_flags) 661 662######################################################################### 663# U-Boot objects....order is important (i.e. start must be first) 664 665HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n) 666 667libs-y += lib/ 668libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/ 669libs-$(CONFIG_OF_EMBED) += dts/ 670ifneq ($(CONFIG_SPL_BUILD)$(CONFIG_SPL_DECOMP_HEADER),yy) 671libs-y += fs/ 672libs-y += net/ 673libs-y += disk/ 674libs-y += drivers/ 675libs-y += drivers/cpu/ 676libs-y += drivers/dma/ 677libs-y += drivers/gpio/ 678libs-y += drivers/i2c/ 679libs-y += drivers/mtd/ 680libs-$(CONFIG_CMD_NAND) += drivers/mtd/nand/raw/ 681libs-y += drivers/mtd/onenand/ 682libs-$(CONFIG_CMD_UBI) += drivers/mtd/ubi/ 683libs-y += drivers/mtd/spi/ 684libs-y += drivers/net/ 685libs-y += drivers/net/phy/ 686libs-y += drivers/pci/ 687libs-y += drivers/power/ \ 688 drivers/power/domain/ \ 689 drivers/power/fuel_gauge/ \ 690 drivers/power/mfd/ \ 691 drivers/power/pmic/ \ 692 drivers/power/battery/ \ 693 drivers/power/regulator/ \ 694 drivers/power/dvfs/ \ 695 drivers/power/io-domain/ \ 696 drivers/power/charge/ 697libs-y += drivers/spi/ 698libs-$(CONFIG_FMAN_ENET) += drivers/net/fm/ 699libs-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/ 700libs-$(CONFIG_SYS_FSL_MMDC) += drivers/ddr/fsl/ 701libs-$(CONFIG_ALTERA_SDRAM) += drivers/ddr/altera/ 702libs-y += drivers/serial/ 703libs-y += drivers/usb/cdns3/ 704libs-y += drivers/usb/dwc3/ 705libs-y += drivers/usb/common/ 706libs-y += drivers/usb/emul/ 707libs-y += drivers/usb/eth/ 708libs-y += drivers/usb/gadget/ 709libs-y += drivers/usb/gadget/udc/ 710libs-y += drivers/usb/host/ 711libs-y += drivers/usb/musb/ 712libs-y += drivers/usb/musb-new/ 713libs-y += drivers/usb/phy/ 714libs-y += drivers/usb/ulpi/ 715libs-y += cmd/ 716libs-y += common/ 717libs-y += env/ 718libs-$(CONFIG_API) += api/ 719libs-$(CONFIG_HAS_POST) += post/ 720endif 721libs-y += test/ 722libs-y += test/dm/ 723libs-$(CONFIG_UT_ENV) += test/env/ 724libs-$(CONFIG_UT_OVERLAY) += test/overlay/ 725 726libs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/) 727 728libs-y := $(sort $(libs-y)) 729 730u-boot-dirs := $(patsubst %/,%,$(filter %/, $(libs-y))) tools examples 731 732u-boot-alldirs := $(sort $(u-boot-dirs) $(patsubst %/,%,$(filter %/, $(libs-)))) 733 734libs-y := $(patsubst %/, %/built-in.o, $(libs-y)) 735 736u-boot-init := $(head-y) 737u-boot-main := $(libs-y) 738 739 740# Add GCC lib 741ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y) 742PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a 743else 744PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(c_flags) -print-libgcc-file-name`) -lgcc 745endif 746PLATFORM_LIBS += $(PLATFORM_LIBGCC) 747export PLATFORM_LIBS 748export PLATFORM_LIBGCC 749 750# Special flags for CPP when processing the linker script. 751# Pass the version down so we can handle backwards compatibility 752# on the fly. 753LDPPFLAGS += \ 754 -include $(srctree)/include/u-boot/u-boot.lds.h \ 755 -DCPUDIR=$(CPUDIR) \ 756 $(shell $(LD) --version | \ 757 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 758 759######################################################################### 760######################################################################### 761 762ifneq ($(CONFIG_BOARD_SIZE_LIMIT),) 763BOARD_SIZE_CHECK = \ 764 @actual=`wc -c $@ | awk '{print $$1}'`; \ 765 limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \ 766 if test $$actual -gt $$limit; then \ 767 echo "$@ exceeds file size limit:" >&2 ; \ 768 echo " limit: $$limit bytes" >&2 ; \ 769 echo " actual: $$actual bytes" >&2 ; \ 770 echo " excess: $$((actual - limit)) bytes" >&2; \ 771 exit 1; \ 772 fi 773else 774BOARD_SIZE_CHECK = 775endif 776 777# Statically apply RELA-style relocations (currently arm64 only) 778# This is useful for arm64 where static relocation needs to be performed on 779# the raw binary, but certain simulators only accept an ELF file (but don't 780# do the relocation). 781ifneq ($(CONFIG_STATIC_RELA),) 782# $(1) is u-boot ELF, $(2) is u-boot bin, $(3) is text base 783DO_STATIC_RELA = \ 784 start=$$($(NM) $(1) | grep __rel_dyn_start | cut -f 1 -d ' '); \ 785 end=$$($(NM) $(1) | grep __rel_dyn_end | cut -f 1 -d ' '); \ 786 tools/relocate-rela $(2) $(3) $$start $$end 787else 788DO_STATIC_RELA = 789endif 790 791# Always append ALL so that arch config.mk's can add custom ones 792ALL-y += u-boot.srec u-boot.bin u-boot.sym System.map binary_size_check 793ALL-$(CONFIG_SUPPORT_USBPLUG) += usbplug.bin 794 795ALL-$(CONFIG_ONENAND_U_BOOT) += u-boot-onenand.bin 796ifeq ($(CONFIG_SPL_FSL_PBL),y) 797ALL-$(CONFIG_RAMBOOT_PBL) += u-boot-with-spl-pbl.bin 798else 799ifneq ($(CONFIG_SECURE_BOOT), y) 800# For Secure Boot The Image needs to be signed and Header must also 801# be included. So The image has to be built explicitly 802ALL-$(CONFIG_RAMBOOT_PBL) += u-boot.pbl 803endif 804endif 805ALL-$(CONFIG_SPL) += spl/u-boot-spl.bin 806ifeq ($(CONFIG_MX6)$(CONFIG_SECURE_BOOT), yy) 807ALL-$(CONFIG_SPL_FRAMEWORK) += u-boot-ivt.img 808else 809ALL-$(CONFIG_SPL_FRAMEWORK) += u-boot.img 810endif 811ALL-$(CONFIG_TPL) += tpl/u-boot-tpl.bin 812ALL-$(CONFIG_OF_SEPARATE) += u-boot.dtb 813ifeq ($(CONFIG_SPL_FRAMEWORK),y) 814ALL-$(CONFIG_OF_SEPARATE) += u-boot-dtb.img 815endif 816ALL-$(CONFIG_OF_HOSTFILE) += u-boot.dtb 817ifneq ($(CONFIG_SPL_TARGET),) 818ALL-$(CONFIG_SPL) += $(CONFIG_SPL_TARGET:"%"=%) 819endif 820ALL-$(CONFIG_REMAKE_ELF) += u-boot.elf 821ALL-$(CONFIG_EFI_APP) += u-boot-app.efi 822ALL-$(CONFIG_EFI_STUB) += u-boot-payload.efi 823 824ifneq ($(BUILD_ROM),) 825ALL-$(CONFIG_X86_RESET_VECTOR) += u-boot.rom 826endif 827 828# enable combined SPL/u-boot/dtb rules for tegra 829ifeq ($(CONFIG_TEGRA)$(CONFIG_SPL),yy) 830ALL-y += u-boot-tegra.bin u-boot-nodtb-tegra.bin 831ALL-$(CONFIG_OF_SEPARATE) += u-boot-dtb-tegra.bin 832endif 833 834# Add optional build target if defined in board/cpu/soc headers 835ifneq ($(CONFIG_BUILD_TARGET),) 836ALL-y += $(CONFIG_BUILD_TARGET:"%"=%) 837endif 838 839LDFLAGS_u-boot += $(LDFLAGS_FINAL) 840 841# Avoid 'Not enough room for program headers' error on binutils 2.28 onwards. 842LDFLAGS_u-boot += $(call ld-option, --no-dynamic-linker) 843 844ifneq ($(CONFIG_SYS_TEXT_BASE),) 845LDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE) 846endif 847 848# Normally we fill empty space with 0xff 849quiet_cmd_objcopy = OBJCOPY $@ 850cmd_objcopy = $(OBJCOPY) --gap-fill=0xff $(OBJCOPYFLAGS) \ 851 $(OBJCOPYFLAGS_$(@F)) $< $@ 852 853# Provide a version which does not do this, for use by EFI 854quiet_cmd_zobjcopy = OBJCOPY $@ 855cmd_zobjcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@ 856 857quiet_cmd_efipayload = OBJCOPY $@ 858cmd_efipayload = $(OBJCOPY) -I binary -O $(EFIPAYLOAD_BFDTARGET) -B $(EFIPAYLOAD_BFDARCH) $< $@ 859 860MKIMAGEOUTPUT ?= /dev/null 861 862quiet_cmd_mkimage = MKIMAGE $@ 863cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \ 864 $(if $(KBUILD_VERBOSE:1=), >$(MKIMAGEOUTPUT)) 865 866quiet_cmd_mkfitimage = MKIMAGE $@ 867cmd_mkfitimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -f $(U_BOOT_ITS) -E $@ \ 868 $(if $(KBUILD_VERBOSE:1=), >$(MKIMAGEOUTPUT)) 869 870quiet_cmd_cat = CAT $@ 871cmd_cat = cat $(filter-out $(PHONY), $^) > $@ 872 873append = cat $(filter-out $< $(PHONY), $^) >> $@ 874 875quiet_cmd_pad_cat = CAT $@ 876cmd_pad_cat = $(cmd_objcopy) && $(append) || rm -f $@ 877 878cfg: u-boot.cfg 879 880quiet_cmd_cfgcheck = CFGCHK $2 881cmd_cfgcheck = $(srctree)/scripts/check-config.sh $2 \ 882 $(srctree)/scripts/config_whitelist.txt $(srctree) 883 884all: $(ALL-y) cfg 885ifeq ($(CONFIG_DM_I2C_COMPAT)$(CONFIG_SANDBOX),y) 886 @echo "===================== WARNING ======================" 887 @echo "This board uses CONFIG_DM_I2C_COMPAT. Please remove" 888 @echo "(possibly in a subsequent patch in your series)" 889 @echo "before sending patches to the mailing list." 890 @echo "====================================================" 891endif 892 @# Check that this build does not use CONFIG options that we do not 893 @# know about unless they are in Kconfig. All the existing CONFIG 894 @# options are whitelisted, so new ones should not be added. 895 $(call cmd,cfgcheck,u-boot.cfg) 896 897PHONY += dtbs 898dtbs: dts/dt.dtb 899 @: 900dts/dt.dtb: u-boot 901 $(Q)$(MAKE) $(build)=dts dtbs 902 903quiet_cmd_copy = COPY $@ 904 cmd_copy = cp $< $@ 905 906quiet_cmd_truncate = ALIGN $@ 907 cmd_truncate = truncate -s "%8" $@ 908 909ifeq ($(CONFIG_MULTI_DTB_FIT),y) 910 911fit-dtb.blob: dts/dt.dtb FORCE 912 $(call if_changed,mkimage) 913 914MKIMAGEFLAGS_fit-dtb.blob = -f auto -A $(ARCH) -T firmware -C none -O u-boot \ 915 -a 0 -e 0 -E \ 916 $(patsubst %,-b arch/$(ARCH)/dts/%.dtb,$(subst ",,$(CONFIG_OF_LIST))) -d /dev/null 917 918u-boot-fit-dtb.bin: u-boot-nodtb.bin fit-dtb.blob 919 $(call if_changed,cat) 920 921u-boot.bin: u-boot-fit-dtb.bin FORCE 922 $(call if_changed,copy) 923else ifeq ($(CONFIG_OF_SEPARATE),y) 924 925u-boot-dtb.bin: u-boot-nodtb.bin dts/dt.dtb FORCE 926 $(call if_changed,cat) 927 928EMBED_KERN_DTB := $(CONFIG_EMBED_KERNEL_DTB_PATH:"%"=%) 929ifneq ($(wildcard $(EMBED_KERN_DTB)),) 930u-boot-dtb-kern.bin: u-boot-dtb.bin FORCE 931 $(call if_changed,copy) 932 $(call if_changed,truncate) 933u-boot.bin: u-boot-dtb-kern.bin $(EMBED_KERN_DTB) FORCE 934 $(call if_changed,cat) 935else 936u-boot.bin: u-boot-dtb.bin FORCE 937 $(call if_changed,copy) 938 $(call if_changed,truncate) 939endif 940 941else 942u-boot.bin: u-boot-nodtb.bin FORCE 943 $(call if_changed,copy) 944endif 945 946ifeq ($(CONFIG_SUPPORT_USBPLUG),y) 947usbplug.bin: u-boot.bin 948 $(call if_changed,copy) 949endif 950 951%.imx: %.bin 952 $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@ 953 954%.vyb: %.imx 955 $(Q)$(MAKE) $(build)=arch/arm/cpu/armv7/vf610 $@ 956 957quiet_cmd_copy = COPY $@ 958 cmd_copy = cp $< $@ 959 960u-boot.dtb: dts/dt.dtb FORCE 961 $(call cmd,copy) 962 963OBJCOPYFLAGS_u-boot.hex := -O ihex 964 965OBJCOPYFLAGS_u-boot.srec := -O srec 966 967u-boot.hex u-boot.srec: u-boot FORCE 968 $(call if_changed,objcopy) 969 970OBJCOPYFLAGS_u-boot-nodtb.bin := -O binary \ 971 $(if $(CONFIG_X86_16BIT_INIT),-R .start16 -R .resetvec) 972 973binary_size_check: u-boot-nodtb.bin FORCE 974 @file_size=$(shell wc -c u-boot-nodtb.bin | awk '{print $$1}') ; \ 975 map_size=$(shell cat u-boot.map | \ 976 awk '/_image_copy_start/ {start = $$1} /_image_binary_end/ {end = $$1} END {if (start != "" && end != "") print "ibase=16; " toupper(end) " - " toupper(start)}' \ 977 | sed 's/0X//g' \ 978 | bc); \ 979 if [ "" != "$$map_size" ]; then \ 980 if test $$map_size -ne $$file_size; then \ 981 echo "u-boot.map shows a binary size of $$map_size" >&2 ; \ 982 echo " but u-boot-nodtb.bin shows $$file_size" >&2 ; \ 983 exit 1; \ 984 fi \ 985 fi 986 987u-boot-nodtb.bin: u-boot FORCE 988 $(call if_changed,objcopy) 989 $(call DO_STATIC_RELA,$<,$@,$(CONFIG_SYS_TEXT_BASE)) 990 $(BOARD_SIZE_CHECK) 991 992u-boot.ldr: u-boot 993 $(CREATE_LDR_ENV) 994 $(LDR) -T $(CONFIG_CPU) -c $@ $< $(LDR_FLAGS) 995 $(BOARD_SIZE_CHECK) 996 997# binman 998# --------------------------------------------------------------------------- 999quiet_cmd_binman = BINMAN $@ 1000cmd_binman = $(srctree)/tools/binman/binman -d u-boot.dtb -O . \ 1001 -I . -I $(srctree)/board/$(BOARDDIR) $< 1002 1003OBJCOPYFLAGS_u-boot.ldr.hex := -I binary -O ihex 1004 1005OBJCOPYFLAGS_u-boot.ldr.srec := -I binary -O srec 1006 1007u-boot.ldr.hex u-boot.ldr.srec: u-boot.ldr FORCE 1008 $(call if_changed,objcopy) 1009 1010# 1011# U-Boot entry point, needed for booting of full-blown U-Boot 1012# from the SPL U-Boot version. 1013# 1014ifndef CONFIG_SYS_UBOOT_START 1015CONFIG_SYS_UBOOT_START := 0 1016endif 1017 1018# Create a file containing the configuration options the image was built with 1019quiet_cmd_cpp_cfg = CFG $@ 1020cmd_cpp_cfg = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \ 1021 -DDO_DEPS_ONLY -D__ASSEMBLY__ -x assembler-with-cpp -P -dM -E -o $@ $< 1022 1023# Boards with more complex image requirments can provide an .its source file 1024# or a generator script 1025ifneq ($(CONFIG_SPL_FIT_SOURCE),"") 1026U_BOOT_ITS = $(subst ",,$(CONFIG_SPL_FIT_SOURCE)) 1027else 1028ifneq ($(CONFIG_SPL_FIT_GENERATOR),"") 1029U_BOOT_ITS := u-boot.its 1030$(U_BOOT_ITS): FORCE 1031 $(srctree)/$(CONFIG_SPL_FIT_GENERATOR) \ 1032 $(patsubst %,arch/$(ARCH)/dts/%.dtb,$(subst ",,$(CONFIG_OF_LIST))) > $@ 1033endif 1034endif 1035 1036ifdef CONFIG_SPL_LOAD_FIT 1037MKIMAGEFLAGS_u-boot.img = -f auto -A $(ARCH) -T firmware -C none -O u-boot \ 1038 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \ 1039 -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board" -E \ 1040 $(patsubst %,-b arch/$(ARCH)/dts/%.dtb,$(subst ",,$(CONFIG_OF_LIST))) 1041else 1042MKIMAGEFLAGS_u-boot.img = -A $(ARCH) -T firmware -C none -O u-boot \ 1043 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \ 1044 -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board" 1045MKIMAGEFLAGS_u-boot-ivt.img = -A $(ARCH) -T firmware_ivt -C none -O u-boot \ 1046 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \ 1047 -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board" 1048u-boot-ivt.img: MKIMAGEOUTPUT = u-boot-ivt.img.log 1049CLEAN_FILES += u-boot-ivt.img.log u-boot-dtb.imx.log SPL.log u-boot.imx.log 1050endif 1051 1052MKIMAGEFLAGS_u-boot-dtb.img = $(MKIMAGEFLAGS_u-boot.img) 1053 1054MKIMAGEFLAGS_u-boot.kwb = -n $(srctree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%) \ 1055 -T kwbimage -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) 1056 1057MKIMAGEFLAGS_u-boot-spl.kwb = -n $(srctree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%) \ 1058 -T kwbimage -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) \ 1059 $(if $(KEYDIR),-k $(KEYDIR)) 1060 1061MKIMAGEFLAGS_u-boot.pbl = -n $(srctree)/$(CONFIG_SYS_FSL_PBL_RCW:"%"=%) \ 1062 -R $(srctree)/$(CONFIG_SYS_FSL_PBL_PBI:"%"=%) -T pblimage 1063 1064u-boot-dtb.img u-boot.img u-boot.kwb u-boot.pbl u-boot-ivt.img: \ 1065 $(if $(CONFIG_SPL_LOAD_FIT),u-boot-nodtb.bin dts/dt.dtb,u-boot.bin) FORCE 1066 $(call if_changed,mkimage) 1067 1068u-boot.itb: u-boot-nodtb.bin dts/dt.dtb $(U_BOOT_ITS) FORCE 1069 $(call if_changed,mkfitimage) 1070 1071u-boot-spl.kwb: u-boot.img spl/u-boot-spl.bin FORCE 1072 $(call if_changed,mkimage) 1073 1074u-boot.sha1: u-boot.bin 1075 tools/ubsha1 u-boot.bin 1076 1077u-boot.dis: u-boot 1078 $(OBJDUMP) -d $< > $@ 1079 1080ifdef CONFIG_TPL 1081SPL_PAYLOAD := tpl/u-boot-with-tpl.bin 1082else 1083SPL_PAYLOAD := u-boot.bin 1084endif 1085 1086OBJCOPYFLAGS_u-boot-with-spl.bin = -I binary -O binary \ 1087 --pad-to=$(CONFIG_SPL_PAD_TO) 1088u-boot-with-spl.bin: spl/u-boot-spl.bin $(SPL_PAYLOAD) FORCE 1089 $(call if_changed,pad_cat) 1090 1091MKIMAGEFLAGS_lpc32xx-spl.img = -T lpc32xximage -a $(CONFIG_SPL_TEXT_BASE) 1092 1093lpc32xx-spl.img: spl/u-boot-spl.bin FORCE 1094 $(call if_changed,mkimage) 1095 1096OBJCOPYFLAGS_lpc32xx-boot-0.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) 1097 1098lpc32xx-boot-0.bin: lpc32xx-spl.img FORCE 1099 $(call if_changed,objcopy) 1100 1101OBJCOPYFLAGS_lpc32xx-boot-1.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) 1102 1103lpc32xx-boot-1.bin: lpc32xx-spl.img FORCE 1104 $(call if_changed,objcopy) 1105 1106lpc32xx-full.bin: lpc32xx-boot-0.bin lpc32xx-boot-1.bin u-boot.img FORCE 1107 $(call if_changed,cat) 1108 1109CLEAN_FILES += lpc32xx-* 1110 1111OBJCOPYFLAGS_u-boot-with-tpl.bin = -I binary -O binary \ 1112 --pad-to=$(CONFIG_TPL_PAD_TO) 1113tpl/u-boot-with-tpl.bin: tpl/u-boot-tpl.bin u-boot.bin FORCE 1114 $(call if_changed,pad_cat) 1115 1116SPL: spl/u-boot-spl.bin FORCE 1117 $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@ 1118 1119u-boot-with-spl.imx u-boot-with-nand-spl.imx: SPL u-boot.bin FORCE 1120 $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@ 1121 1122MKIMAGEFLAGS_u-boot.ubl = -n $(UBL_CONFIG) -T ublimage -e $(CONFIG_SYS_TEXT_BASE) 1123 1124u-boot.ubl: u-boot-with-spl.bin FORCE 1125 $(call if_changed,mkimage) 1126 1127MKIMAGEFLAGS_u-boot-spl.ais = -s -n $(if $(CONFIG_AIS_CONFIG_FILE), \ 1128 $(srctree)/$(CONFIG_AIS_CONFIG_FILE:"%"=%),"/dev/null") \ 1129 -T aisimage -e $(CONFIG_SPL_TEXT_BASE) 1130spl/u-boot-spl.ais: spl/u-boot-spl.bin FORCE 1131 $(call if_changed,mkimage) 1132 1133OBJCOPYFLAGS_u-boot.ais = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) 1134u-boot.ais: spl/u-boot-spl.ais u-boot.img FORCE 1135 $(call if_changed,pad_cat) 1136 1137u-boot-signed.sb: u-boot.bin spl/u-boot-spl.bin 1138 $(Q)$(MAKE) $(build)=arch/arm/cpu/arm926ejs/mxs u-boot-signed.sb 1139u-boot.sb: u-boot.bin spl/u-boot-spl.bin 1140 $(Q)$(MAKE) $(build)=arch/arm/cpu/arm926ejs/mxs u-boot.sb 1141 1142# On x600 (SPEAr600) U-Boot is appended to U-Boot SPL. 1143# Both images are created using mkimage (crc etc), so that the ROM 1144# bootloader can check its integrity. Padding needs to be done to the 1145# SPL image (with mkimage header) and not the binary. Otherwise the resulting image 1146# which is loaded/copied by the ROM bootloader to SRAM doesn't fit. 1147# The resulting image containing both U-Boot images is called u-boot.spr 1148MKIMAGEFLAGS_u-boot-spl.img = -A $(ARCH) -T firmware -C none \ 1149 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER 1150spl/u-boot-spl.img: spl/u-boot-spl.bin FORCE 1151 $(call if_changed,mkimage) 1152 1153OBJCOPYFLAGS_u-boot.spr = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) \ 1154 --gap-fill=0xff 1155u-boot.spr: spl/u-boot-spl.img u-boot.img FORCE 1156 $(call if_changed,pad_cat) 1157 1158ifneq ($(CONFIG_ARCH_SOCFPGA),) 1159quiet_cmd_socboot = SOCBOOT $@ 1160cmd_socboot = cat spl/u-boot-spl.sfp spl/u-boot-spl.sfp \ 1161 spl/u-boot-spl.sfp spl/u-boot-spl.sfp \ 1162 u-boot.img > $@ || rm -f $@ 1163u-boot-with-spl.sfp: spl/u-boot-spl.sfp u-boot.img FORCE 1164 $(call if_changed,socboot) 1165endif 1166 1167# x86 uses a large ROM. We fill it with 0xff, put the 16-bit stuff (including 1168# reset vector) at the top, Intel ME descriptor at the bottom, and U-Boot in 1169# the middle. This is handled by binman based on an image description in the 1170# board's device tree. 1171ifneq ($(CONFIG_X86_RESET_VECTOR),) 1172rom: u-boot.rom FORCE 1173 1174refcode.bin: $(srctree)/board/$(BOARDDIR)/refcode.bin FORCE 1175 $(call if_changed,copy) 1176 1177quiet_cmd_ldr = LD $@ 1178cmd_ldr = $(LD) $(LDFLAGS_$(@F)) \ 1179 $(filter-out FORCE,$^) -o $@ 1180 1181u-boot.rom: u-boot-x86-16bit.bin u-boot.bin \ 1182 $(if $(CONFIG_SPL_X86_16BIT_INIT),spl/u-boot-spl.bin) \ 1183 $(if $(CONFIG_HAVE_REFCODE),refcode.bin) FORCE 1184 $(call if_changed,binman) 1185 1186OBJCOPYFLAGS_u-boot-x86-16bit.bin := -O binary -j .start16 -j .resetvec 1187u-boot-x86-16bit.bin: u-boot FORCE 1188 $(call if_changed,objcopy) 1189endif 1190 1191ifneq ($(CONFIG_ARCH_SUNXI),) 1192u-boot-sunxi-with-spl.bin: spl/sunxi-spl.bin u-boot.img u-boot.dtb FORCE 1193 $(call if_changed,binman) 1194endif 1195 1196ifneq ($(CONFIG_TEGRA),) 1197OBJCOPYFLAGS_u-boot-nodtb-tegra.bin = -O binary --pad-to=$(CONFIG_SYS_TEXT_BASE) 1198u-boot-nodtb-tegra.bin: spl/u-boot-spl u-boot-nodtb.bin FORCE 1199 $(call if_changed,pad_cat) 1200 1201OBJCOPYFLAGS_u-boot-tegra.bin = -O binary --pad-to=$(CONFIG_SYS_TEXT_BASE) 1202u-boot-tegra.bin: spl/u-boot-spl u-boot.bin FORCE 1203 $(call if_changed,pad_cat) 1204 1205u-boot-dtb-tegra.bin: u-boot-tegra.bin FORCE 1206 $(call if_changed,copy) 1207endif 1208 1209OBJCOPYFLAGS_u-boot-app.efi := $(OBJCOPYFLAGS_EFI) 1210u-boot-app.efi: u-boot FORCE 1211 $(call if_changed,zobjcopy) 1212 1213u-boot.bin.o: u-boot.bin FORCE 1214 $(call if_changed,efipayload) 1215 1216u-boot-payload.lds: $(LDSCRIPT_EFI) FORCE 1217 $(call if_changed_dep,cpp_lds) 1218 1219# Rule to link the EFI payload which contains a stub and a U-Boot binary 1220quiet_cmd_u-boot_payload ?= LD $@ 1221 cmd_u-boot_payload ?= $(LD) $(LDFLAGS_EFI_PAYLOAD) -o $@ \ 1222 -T u-boot-payload.lds arch/x86/cpu/call32.o \ 1223 lib/efi/efi.o lib/efi/efi_stub.o u-boot.bin.o \ 1224 $(addprefix arch/$(ARCH)/lib/,$(EFISTUB)) 1225 1226u-boot-payload: u-boot.bin.o u-boot-payload.lds FORCE 1227 $(call if_changed,u-boot_payload) 1228 1229OBJCOPYFLAGS_u-boot-payload.efi := $(OBJCOPYFLAGS_EFI) 1230u-boot-payload.efi: u-boot-payload FORCE 1231 $(call if_changed,zobjcopy) 1232 1233u-boot-img.bin: spl/u-boot-spl.bin u-boot.img FORCE 1234 $(call if_changed,cat) 1235 1236#Add a target to create boot binary having SPL binary in PBI format 1237#concatenated with u-boot binary. It is need by PowerPC SoC having 1238#internal SRAM <= 512KB. 1239MKIMAGEFLAGS_u-boot-spl.pbl = -n $(srctree)/$(CONFIG_SYS_FSL_PBL_RCW:"%"=%) \ 1240 -R $(srctree)/$(CONFIG_SYS_FSL_PBL_PBI:"%"=%) -T pblimage \ 1241 -A $(ARCH) -a $(CONFIG_SPL_TEXT_BASE) 1242 1243spl/u-boot-spl.pbl: spl/u-boot-spl.bin FORCE 1244 $(call if_changed,mkimage) 1245 1246ifeq ($(ARCH),arm) 1247UBOOT_BINLOAD := u-boot.img 1248else 1249UBOOT_BINLOAD := u-boot.bin 1250endif 1251 1252OBJCOPYFLAGS_u-boot-with-spl-pbl.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) \ 1253 --gap-fill=0xff 1254 1255u-boot-with-spl-pbl.bin: spl/u-boot-spl.pbl $(UBOOT_BINLOAD) FORCE 1256 $(call if_changed,pad_cat) 1257 1258# PPC4xx needs the SPL at the end of the image, since the reset vector 1259# is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target 1260# and need to introduce a new build target with the full blown U-Boot 1261# at the start padded up to the start of the SPL image. And then concat 1262# the SPL image to the end. 1263 1264OBJCOPYFLAGS_u-boot-img-spl-at-end.bin := -I binary -O binary \ 1265 --pad-to=$(CONFIG_UBOOT_PAD_TO) --gap-fill=0xff 1266u-boot-img-spl-at-end.bin: u-boot.img spl/u-boot-spl.bin FORCE 1267 $(call if_changed,pad_cat) 1268 1269# Create a new ELF from a raw binary file. 1270ifndef PLATFORM_ELFENTRY 1271 PLATFORM_ELFENTRY = "_start" 1272endif 1273quiet_cmd_u-boot-elf ?= LD $@ 1274 cmd_u-boot-elf ?= $(LD) u-boot-elf.o -o $@ \ 1275 --defsym=$(PLATFORM_ELFENTRY)=$(CONFIG_SYS_TEXT_BASE) \ 1276 -Ttext=$(CONFIG_SYS_TEXT_BASE) 1277u-boot.elf: u-boot.bin 1278 $(Q)$(OBJCOPY) -I binary $(PLATFORM_ELFFLAGS) $< u-boot-elf.o 1279 $(call if_changed,u-boot-elf) 1280 1281ARCH_POSTLINK := $(wildcard $(srctree)/arch/$(ARCH)/Makefile.postlink) 1282 1283# Rule to link u-boot 1284# May be overridden by arch/$(ARCH)/config.mk 1285quiet_cmd_u-boot__ ?= LD $@ 1286 cmd_u-boot__ ?= $(LD) $(LDFLAGS) $(LDFLAGS_u-boot) -o $@ \ 1287 -T u-boot.lds $(u-boot-init) \ 1288 --start-group $(u-boot-main) --end-group \ 1289 $(PLATFORM_LIBS) -Map u-boot.map; \ 1290 $(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true) 1291 1292quiet_cmd_smap = GEN common/system_map.o 1293cmd_smap = \ 1294 smap=`$(call SYSTEM_MAP,u-boot) | \ 1295 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \ 1296 $(CC) $(c_flags) -DSYSTEM_MAP="\"$${smap}\"" \ 1297 -c $(srctree)/common/system_map.c -o common/system_map.o 1298 1299u-boot: $(u-boot-init) $(u-boot-main) u-boot.lds FORCE 1300 +$(call if_changed,u-boot__) 1301ifeq ($(CONFIG_KALLSYMS),y) 1302 $(call cmd,smap) 1303 $(call cmd,u-boot__) common/system_map.o 1304endif 1305 1306quiet_cmd_sym ?= SYM $@ 1307 cmd_sym ?= $(OBJDUMP) -t $< > $@ 1308u-boot.sym: u-boot FORCE 1309 $(call if_changed,sym) 1310 1311# The actual objects are generated when descending, 1312# make sure no implicit rule kicks in 1313$(sort $(u-boot-init) $(u-boot-main)): $(u-boot-dirs) ; 1314 1315# Handle descending into subdirectories listed in $(vmlinux-dirs) 1316# Preset locale variables to speed up the build process. Limit locale 1317# tweaks to this spot to avoid wrong language settings when running 1318# make menuconfig etc. 1319# Error messages still appears in the original language 1320 1321PHONY += $(u-boot-dirs) 1322$(u-boot-dirs): prepare scripts 1323 $(Q)$(MAKE) $(build)=$@ 1324 1325tools: prepare 1326# The "tools" are needed early 1327$(filter-out tools, $(u-boot-dirs)): tools 1328# The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC 1329# is "yes"), so compile examples after U-Boot is compiled. 1330examples: $(filter-out examples, $(u-boot-dirs)) 1331 1332define filechk_uboot.release 1333 echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" 1334endef 1335 1336# Store (new) UBOOTRELEASE string in include/config/uboot.release 1337include/config/uboot.release: include/config/auto.conf FORCE 1338 $(call filechk,uboot.release) 1339 1340 1341# Things we need to do before we recursively start building the kernel 1342# or the modules are listed in "prepare". 1343# A multi level approach is used. prepareN is processed before prepareN-1. 1344# archprepare is used in arch Makefiles and when processed asm symlink, 1345# version.h and scripts_basic is processed / created. 1346 1347# Listed in dependency order 1348PHONY += prepare archprepare prepare0 prepare1 prepare2 prepare3 1349 1350# prepare3 is used to check if we are building in a separate output directory, 1351# and if so do: 1352# 1) Check that make has not been executed in the kernel src $(srctree) 1353prepare3: include/config/uboot.release 1354ifneq ($(KBUILD_SRC),) 1355 @$(kecho) ' Using $(srctree) as source for U-Boot' 1356 $(Q)if [ -f $(srctree)/.config -o -d $(srctree)/include/config ]; then \ 1357 echo >&2 " $(srctree) is not clean, please run 'make mrproper'"; \ 1358 echo >&2 " in the '$(srctree)' directory.";\ 1359 /bin/false; \ 1360 fi; 1361endif 1362 1363# prepare2 creates a makefile if using a separate output directory 1364prepare2: prepare3 outputmakefile 1365 1366prepare1: prepare2 $(version_h) $(timestamp_h) \ 1367 include/config/auto.conf 1368ifeq ($(wildcard $(LDSCRIPT)),) 1369 @echo >&2 " Could not find linker script." 1370 @/bin/false 1371endif 1372 1373archprepare: prepare1 scripts_basic 1374 1375prepare0: archprepare FORCE 1376 $(Q)$(MAKE) $(build)=. 1377 1378# All the preparing.. 1379prepare: prepare0 1380 1381# Generate some files 1382# --------------------------------------------------------------------------- 1383 1384ifeq ($(CONFIG_SUPPORT_USBPLUG),) 1385define filechk_version.h 1386 (echo \#define PLAIN_VERSION \"$(UBOOTRELEASE)\"; \ 1387 echo \#define U_BOOT_VERSION \"U-Boot \" PLAIN_VERSION; \ 1388 echo \#define CC_VERSION_STRING \"$$(LC_ALL=C $(CC) --version | head -n 1)\"; \ 1389 echo \#define LD_VERSION_STRING \"$$(LC_ALL=C $(LD) --version | head -n 1)\"; ) 1390endef 1391else 1392define filechk_version.h 1393 (echo \#define PLAIN_VERSION \"$(UBOOTRELEASE)\"; \ 1394 echo \#define U_BOOT_VERSION \"USB-PLUG \" PLAIN_VERSION; \ 1395 echo \#define CC_VERSION_STRING \"$$(LC_ALL=C $(CC) --version | head -n 1)\"; \ 1396 echo \#define LD_VERSION_STRING \"$$(LC_ALL=C $(LD) --version | head -n 1)\"; ) 1397endef 1398endif 1399 1400# The SOURCE_DATE_EPOCH mechanism requires a date that behaves like GNU date. 1401# The BSD date on the other hand behaves different and would produce errors 1402# with the misused '-d' switch. Respect that and search a working date with 1403# well known pre- and suffixes for the GNU variant of date. 1404define filechk_timestamp.h 1405 (if test -n "$${SOURCE_DATE_EPOCH}"; then \ 1406 SOURCE_DATE="@$${SOURCE_DATE_EPOCH}"; \ 1407 DATE=""; \ 1408 for date in gdate date.gnu date; do \ 1409 $${date} -u -d "$${SOURCE_DATE}" >/dev/null 2>&1 && DATE="$${date}"; \ 1410 done; \ 1411 if test -n "$${DATE}"; then \ 1412 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_DATE "%b %d %C%y"'; \ 1413 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_TIME "%T"'; \ 1414 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_TZ "%z"'; \ 1415 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_DMI_DATE "%m/%d/%Y"'; \ 1416 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_BUILD_DATE 0x%Y%m%d'; \ 1417 else \ 1418 return 42; \ 1419 fi; \ 1420 else \ 1421 LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"'; \ 1422 LC_ALL=C date +'#define U_BOOT_TIME "%T"'; \ 1423 LC_ALL=C date +'#define U_BOOT_TZ "%z"'; \ 1424 LC_ALL=C date +'#define U_BOOT_DMI_DATE "%m/%d/%Y"'; \ 1425 LC_ALL=C date +'#define U_BOOT_BUILD_DATE 0x%Y%m%d'; \ 1426 fi) 1427endef 1428 1429$(version_h): include/config/uboot.release FORCE 1430 $(call filechk,version.h) 1431 1432$(timestamp_h): $(srctree)/Makefile FORCE 1433 $(call filechk,timestamp.h) 1434 1435# --------------------------------------------------------------------------- 1436quiet_cmd_cpp_lds = LDS $@ 1437cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) \ 1438 -D__ASSEMBLY__ -x assembler-with-cpp -P -o $@ $< 1439 1440u-boot.lds: $(LDSCRIPT) prepare FORCE 1441 $(call if_changed_dep,cpp_lds) 1442 1443spl/u-boot-spl.bin: spl/u-boot-spl 1444 @: 1445spl/u-boot-spl: tools prepare \ 1446 $(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_SPL_OF_PLATDATA),dts/dt.dtb) \ 1447 $(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_TPL_OF_PLATDATA),dts/dt.dtb) 1448 $(Q)$(MAKE) obj=spl -f $(srctree)/scripts/Makefile.spl all 1449 1450spl/sunxi-spl.bin: spl/u-boot-spl 1451 @: 1452 1453spl/sunxi-spl-with-ecc.bin: spl/sunxi-spl.bin 1454 @: 1455 1456spl/u-boot-spl.sfp: spl/u-boot-spl 1457 @: 1458 1459spl/boot.bin: spl/u-boot-spl 1460 @: 1461 1462tpl/u-boot-tpl.bin: tools prepare \ 1463 $(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_SPL_OF_PLATDATA),dts/dt.dtb) 1464 $(Q)$(MAKE) obj=tpl -f $(srctree)/scripts/Makefile.spl all 1465 1466TAG_SUBDIRS := $(patsubst %,$(srctree)/%,$(u-boot-dirs) include) 1467 1468FIND := find 1469FINDFLAGS := -L 1470 1471tags ctags: 1472 ctags -w -o ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 1473 -name '*.[chS]' -print` 1474 ln -s ctags tags 1475 1476etags: 1477 etags -a -o etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 1478 -name '*.[chS]' -print` 1479cscope: 1480 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \ 1481 cscope.files 1482 cscope -b -q -k 1483 1484SYSTEM_MAP = \ 1485 $(NM) $1 | \ 1486 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \ 1487 LC_ALL=C sort 1488System.map: u-boot 1489 @$(call SYSTEM_MAP,$<) > $@ 1490 1491######################################################################### 1492 1493# ARM relocations should all be R_ARM_RELATIVE (32-bit) or 1494# R_AARCH64_RELATIVE (64-bit). 1495checkarmreloc: u-boot 1496 @RELOC="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \ 1497 grep R_A | sort -u`"; \ 1498 if test "$$RELOC" != "R_ARM_RELATIVE" -a \ 1499 "$$RELOC" != "R_AARCH64_RELATIVE"; then \ 1500 echo "$< contains unexpected relocations: $$RELOC"; \ 1501 false; \ 1502 fi 1503 1504envtools: scripts_basic $(version_h) $(timestamp_h) 1505 $(Q)$(MAKE) $(build)=tools/env 1506 1507tools-only: scripts_basic $(version_h) $(timestamp_h) 1508 $(Q)$(MAKE) $(build)=tools 1509 1510tools-all: export HOST_TOOLS_ALL=y 1511tools-all: envtools tools ; 1512 1513cross_tools: export CROSS_BUILD_TOOLS=y 1514cross_tools: tools ; 1515 1516.PHONY : CHANGELOG 1517CHANGELOG: 1518 git log --no-merges U-Boot-1_1_5.. | \ 1519 unexpand -a | sed -e 's/\s\s*$$//' > $@ 1520 1521######################################################################### 1522 1523### 1524# Cleaning is done on three levels. 1525# make clean Delete most generated files 1526# Leave enough to build external modules 1527# make mrproper Delete the current configuration, and all generated files 1528# make distclean Remove editor backup files, patch leftover files and the like 1529 1530# Directories & files removed with 'make clean' 1531CLEAN_DIRS += $(MODVERDIR) \ 1532 $(foreach d, spl tpl, $(patsubst %,$d/%, \ 1533 $(filter-out include, $(shell ls -1 $d 2>/dev/null)))) 1534 1535CLEAN_FILES += include/bmp_logo.h include/bmp_logo_data.h \ 1536 boot* u-boot* MLO* SPL System.map fit-dtb.blob *.bin *.img *.gz .cc 1537 1538# Directories & files removed with 'make mrproper' 1539MRPROPER_DIRS += include/config include/generated spl tpl \ 1540 .tmp_objdiff 1541MRPROPER_FILES += .config .config.old include/autoconf.mk* include/config.h \ 1542 ctags etags tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS 1543 1544# clean - Delete most, but leave enough to build external modules 1545# 1546clean: rm-dirs := $(CLEAN_DIRS) 1547clean: rm-files := $(CLEAN_FILES) 1548 1549clean-dirs := $(foreach f,$(u-boot-alldirs),$(if $(wildcard $(srctree)/$f/Makefile),$f)) 1550 1551clean-dirs := $(addprefix _clean_, $(clean-dirs) doc/DocBook) 1552 1553PHONY += $(clean-dirs) clean archclean 1554$(clean-dirs): 1555 $(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@) 1556 1557# TODO: Do not use *.cfgtmp 1558clean: $(clean-dirs) 1559 $(call cmd,rmdirs) 1560 $(call cmd,rmfiles) 1561 @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \ 1562 \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \ 1563 -o -name '*.ko.*' -o -name '*.su' -o -name '*.cfgtmp' \ 1564 -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \ 1565 -o -name '*.symtypes' -o -name 'modules.order' \ 1566 -o -name modules.builtin -o -name '.tmp_*.o.*' \ 1567 -o -name 'dsdt.aml' -o -name 'dsdt.asl.tmp' -o -name 'dsdt.c' \ 1568 -o -name '*.gcno' \) -type f -print | xargs rm -f 1569 1570# mrproper - Delete all generated files, including .config 1571# 1572mrproper: rm-dirs := $(wildcard $(MRPROPER_DIRS)) 1573mrproper: rm-files := $(wildcard $(MRPROPER_FILES)) 1574mrproper-dirs := $(addprefix _mrproper_,scripts) 1575 1576PHONY += $(mrproper-dirs) mrproper archmrproper 1577$(mrproper-dirs): 1578 $(Q)$(MAKE) $(clean)=$(patsubst _mrproper_%,%,$@) 1579 1580mrproper: clean $(mrproper-dirs) 1581 $(call cmd,rmdirs) 1582 $(call cmd,rmfiles) 1583 @rm -f arch/*/include/asm/arch 1584 1585# distclean 1586# 1587PHONY += distclean 1588 1589distclean: mrproper 1590 @find $(srctree) $(RCS_FIND_IGNORE) \ 1591 \( -name '*.orig' -o -name '*.rej' -o -name '*~' \ 1592 -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \ 1593 -o -name '.*.rej' -o -name '*%' -o -name 'core' \ 1594 -o -name '*.pyc' \) \ 1595 -type f -print | xargs rm -f 1596 @rm -f boards.cfg 1597 1598backup: 1599 F=`basename $(srctree)` ; cd .. ; \ 1600 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F 1601 1602help: 1603 @echo 'Cleaning targets:' 1604 @echo ' clean - Remove most generated files but keep the config' 1605 @echo ' mrproper - Remove all generated files + config + various backup files' 1606 @echo ' distclean - mrproper + remove editor backup and patch files' 1607 @echo '' 1608 @echo 'Configuration targets:' 1609 @$(MAKE) -f $(srctree)/scripts/kconfig/Makefile help 1610 @echo '' 1611 @echo 'Other generic targets:' 1612 @echo ' all - Build all necessary images depending on configuration' 1613 @echo ' tests - Build U-Boot for sandbox and run tests' 1614 @echo '* u-boot - Build the bare u-boot' 1615 @echo ' dir/ - Build all files in dir and below' 1616 @echo ' dir/file.[oisS] - Build specified target only' 1617 @echo ' dir/file.lst - Build specified mixed source/assembly target only' 1618 @echo ' (requires a recent binutils and recent build (System.map))' 1619 @echo ' tags/ctags - Generate ctags file for editors' 1620 @echo ' etags - Generate etags file for editors' 1621 @echo ' cscope - Generate cscope index' 1622 @echo ' ubootrelease - Output the release version string (use with make -s)' 1623 @echo ' ubootversion - Output the version stored in Makefile (use with make -s)' 1624 @echo " cfg - Don't build, just create the .cfg files" 1625 @echo " envtools - Build only the target-side environment tools" 1626 @echo '' 1627 @echo 'Static analysers' 1628 @echo ' checkstack - Generate a list of stack hogs' 1629 @echo '' 1630 @echo 'Documentation targets:' 1631 @$(MAKE) -f $(srctree)/doc/DocBook/Makefile dochelp 1632 @echo '' 1633 @echo ' make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build' 1634 @echo ' make V=2 [targets] 2 => give reason for rebuild of target' 1635 @echo ' make O=dir [targets] Locate all output files in "dir", including .config' 1636 @echo ' make C=1 [targets] Check all c source with $$CHECK (sparse by default)' 1637 @echo ' make C=2 [targets] Force check of all c source with $$CHECK' 1638 @echo ' make RECORDMCOUNT_WARN=1 [targets] Warn about ignored mcount sections' 1639 @echo ' make W=n [targets] Enable extra gcc checks, n=1,2,3 where' 1640 @echo ' 1: warnings which may be relevant and do not occur too often' 1641 @echo ' 2: warnings which occur quite often but may still be relevant' 1642 @echo ' 3: more obscure warnings, can most likely be ignored' 1643 @echo ' Multiple levels can be combined with W=12 or W=123' 1644 @echo '' 1645 @echo 'Execute "make" or "make all" to build all targets marked with [*] ' 1646 @echo 'For further info see the ./README file' 1647 1648tests: 1649 $(srctree)/test/run 1650 1651# Documentation targets 1652# --------------------------------------------------------------------------- 1653%docs: scripts_basic FORCE 1654 $(Q)$(MAKE) $(build)=scripts build_docproc 1655 $(Q)$(MAKE) $(build)=doc/DocBook $@ 1656 1657endif #ifeq ($(config-targets),1) 1658endif #ifeq ($(mixed-targets),1) 1659 1660PHONY += checkstack ubootrelease ubootversion 1661 1662checkstack: 1663 $(OBJDUMP) -d u-boot $$(find . -name u-boot-spl) | \ 1664 $(PERL) $(src)/scripts/checkstack.pl $(ARCH) 1665 1666ubootrelease: 1667 @echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" 1668 1669ubootversion: 1670 @echo $(UBOOTVERSION) 1671 1672# Single targets 1673# --------------------------------------------------------------------------- 1674# Single targets are compatible with: 1675# - build with mixed source and output 1676# - build with separate output dir 'make O=...' 1677# - external modules 1678# 1679# target-dir => where to store outputfile 1680# build-dir => directory in kernel source tree to use 1681 1682ifeq ($(KBUILD_EXTMOD),) 1683 build-dir = $(patsubst %/,%,$(dir $@)) 1684 target-dir = $(dir $@) 1685else 1686 zap-slash=$(filter-out .,$(patsubst %/,%,$(dir $@))) 1687 build-dir = $(KBUILD_EXTMOD)$(if $(zap-slash),/$(zap-slash)) 1688 target-dir = $(if $(KBUILD_EXTMOD),$(dir $<),$(dir $@)) 1689endif 1690 1691%.s: %.c prepare scripts FORCE 1692 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1693%.i: %.c prepare scripts FORCE 1694 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1695%.o: %.c prepare scripts FORCE 1696 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1697%.lst: %.c prepare scripts FORCE 1698 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1699%.s: %.S prepare scripts FORCE 1700 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1701%.o: %.S prepare scripts FORCE 1702 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1703%.symtypes: %.c prepare scripts FORCE 1704 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1705 1706# Modules 1707/: prepare scripts FORCE 1708 $(cmd_crmodverdir) 1709 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 1710 $(build)=$(build-dir) 1711%/: prepare scripts FORCE 1712 $(cmd_crmodverdir) 1713 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 1714 $(build)=$(build-dir) 1715%.ko: prepare scripts FORCE 1716 $(cmd_crmodverdir) 1717 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 1718 $(build)=$(build-dir) $(@:.ko=.o) 1719 $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost 1720 1721quiet_cmd_genenv = GENENV $@ 1722cmd_genenv = $(OBJCOPY) --dump-section .rodata.default_environment=$@ env/common.o; \ 1723 sed --in-place -e 's/\x00/\x0A/g' $@ 1724 1725u-boot-initial-env: u-boot.bin 1726 $(call if_changed,genenv) 1727 1728# FIXME Should go into a make.lib or something 1729# =========================================================================== 1730 1731quiet_cmd_rmdirs = $(if $(wildcard $(rm-dirs)),CLEAN $(wildcard $(rm-dirs))) 1732 cmd_rmdirs = rm -rf $(rm-dirs) 1733 1734quiet_cmd_rmfiles = $(if $(wildcard $(rm-files)),CLEAN $(wildcard $(rm-files))) 1735 cmd_rmfiles = rm -f $(rm-files) 1736 1737# read all saved command lines 1738 1739targets := $(wildcard $(sort $(targets))) 1740cmd_files := $(wildcard .*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd)) 1741 1742ifneq ($(cmd_files),) 1743 $(cmd_files): ; # Do not try to update included dependency files 1744 include $(cmd_files) 1745endif 1746 1747endif # skip-makefile 1748 1749PHONY += FORCE 1750FORCE: 1751 1752# Declare the contents of the .PHONY variable as phony. We keep that 1753# information in a variable so we can use it in if_changed and friends. 1754.PHONY: $(PHONY) 1755