1# 2# SPDX-License-Identifier: GPL-2.0+ 3# 4 5VERSION = 2016 6PATCHLEVEL = 03 7SUBLEVEL = 8EXTRAVERSION = -rc2 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 260HOSTCXXFLAGS = -O2 261 262ifeq ($(HOSTOS),cygwin) 263HOSTCFLAGS += -ansi 264endif 265 266# Mac OS X / Darwin's C preprocessor is Apple specific. It 267# generates numerous errors and warnings. We want to bypass it 268# and use GNU C's cpp. To do this we pass the -traditional-cpp 269# option to the compiler. Note that the -traditional-cpp flag 270# DOES NOT have the same semantics as GNU C's flag, all it does 271# is invoke the GNU preprocessor in stock ANSI/ISO C fashion. 272# 273# Apple's linker is similar, thanks to the new 2 stage linking 274# multiple symbol definitions are treated as errors, hence the 275# -multiply_defined suppress option to turn off this error. 276# 277ifeq ($(HOSTOS),darwin) 278# get major and minor product version (e.g. '10' and '6' for Snow Leopard) 279DARWIN_MAJOR_VERSION = $(shell sw_vers -productVersion | cut -f 1 -d '.') 280DARWIN_MINOR_VERSION = $(shell sw_vers -productVersion | cut -f 2 -d '.') 281 282os_x_before = $(shell if [ $(DARWIN_MAJOR_VERSION) -le $(1) -a \ 283 $(DARWIN_MINOR_VERSION) -le $(2) ] ; then echo "$(3)"; else echo "$(4)"; fi ;) 284 285# Snow Leopards build environment has no longer restrictions as described above 286HOSTCC = $(call os_x_before, 10, 5, "cc", "gcc") 287HOSTCFLAGS += $(call os_x_before, 10, 4, "-traditional-cpp") 288HOSTLDFLAGS += $(call os_x_before, 10, 5, "-multiply_defined suppress") 289 290# since Lion (10.7) ASLR is on by default, but we use linker generated lists 291# in some host tools which is a problem then ... so disable ASLR for these 292# tools 293HOSTLDFLAGS += $(call os_x_before, 10, 7, "", "-Xlinker -no_pie") 294endif 295 296# Decide whether to build built-in, modular, or both. 297# Normally, just do built-in. 298 299KBUILD_MODULES := 300KBUILD_BUILTIN := 1 301 302# If we have only "make modules", don't compile built-in objects. 303# When we're building modules with modversions, we need to consider 304# the built-in objects during the descend as well, in order to 305# make sure the checksums are up to date before we record them. 306 307ifeq ($(MAKECMDGOALS),modules) 308 KBUILD_BUILTIN := $(if $(CONFIG_MODVERSIONS),1) 309endif 310 311# If we have "make <whatever> modules", compile modules 312# in addition to whatever we do anyway. 313# Just "make" or "make all" shall build modules as well 314 315# U-Boot does not need modules 316#ifneq ($(filter all _all modules,$(MAKECMDGOALS)),) 317# KBUILD_MODULES := 1 318#endif 319 320#ifeq ($(MAKECMDGOALS),) 321# KBUILD_MODULES := 1 322#endif 323 324export KBUILD_MODULES KBUILD_BUILTIN 325export KBUILD_CHECKSRC KBUILD_SRC KBUILD_EXTMOD 326 327# We need some generic definitions (do not try to remake the file). 328scripts/Kbuild.include: ; 329include scripts/Kbuild.include 330 331# Make variables (CC, etc...) 332 333AS = $(CROSS_COMPILE)as 334# Always use GNU ld 335ifneq ($(shell $(CROSS_COMPILE)ld.bfd -v 2> /dev/null),) 336LD = $(CROSS_COMPILE)ld.bfd 337else 338LD = $(CROSS_COMPILE)ld 339endif 340CC = $(CROSS_COMPILE)gcc 341CPP = $(CC) -E 342AR = $(CROSS_COMPILE)ar 343NM = $(CROSS_COMPILE)nm 344LDR = $(CROSS_COMPILE)ldr 345STRIP = $(CROSS_COMPILE)strip 346OBJCOPY = $(CROSS_COMPILE)objcopy 347OBJDUMP = $(CROSS_COMPILE)objdump 348AWK = awk 349PERL = perl 350PYTHON = python 351DTC = dtc 352CHECK = sparse 353 354CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \ 355 -Wbitwise -Wno-return-void -D__CHECK_ENDIAN__ $(CF) 356 357KBUILD_CPPFLAGS := -D__KERNEL__ -D__UBOOT__ 358 359KBUILD_CFLAGS := -Wall -Wstrict-prototypes \ 360 -Wno-format-security \ 361 -fno-builtin -ffreestanding 362KBUILD_AFLAGS := -D__ASSEMBLY__ 363 364# Read UBOOTRELEASE from include/config/uboot.release (if it exists) 365UBOOTRELEASE = $(shell cat include/config/uboot.release 2> /dev/null) 366UBOOTVERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SUBLEVEL)))$(EXTRAVERSION) 367 368export VERSION PATCHLEVEL SUBLEVEL UBOOTRELEASE UBOOTVERSION 369export ARCH CPU BOARD VENDOR SOC CPUDIR BOARDDIR 370export CONFIG_SHELL HOSTCC HOSTCFLAGS HOSTLDFLAGS CROSS_COMPILE AS LD CC 371export CPP AR NM LDR STRIP OBJCOPY OBJDUMP 372export MAKE AWK PERL PYTHON 373export HOSTCXX HOSTCXXFLAGS DTC CHECK CHECKFLAGS 374 375export KBUILD_CPPFLAGS NOSTDINC_FLAGS UBOOTINCLUDE OBJCOPYFLAGS LDFLAGS 376export KBUILD_CFLAGS KBUILD_AFLAGS 377 378# When compiling out-of-tree modules, put MODVERDIR in the module 379# tree rather than in the kernel tree. The kernel tree might 380# even be read-only. 381export MODVERDIR := $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/).tmp_versions 382 383# Files to ignore in find ... statements 384 385export RCS_FIND_IGNORE := \( -name SCCS -o -name BitKeeper -o -name .svn -o \ 386 -name CVS -o -name .pc -o -name .hg -o -name .git \) \ 387 -prune -o 388export RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn \ 389 --exclude CVS --exclude .pc --exclude .hg --exclude .git 390 391# =========================================================================== 392# Rules shared between *config targets and build targets 393 394# Basic helpers built in scripts/ 395PHONY += scripts_basic 396scripts_basic: 397 $(Q)$(MAKE) $(build)=scripts/basic 398 $(Q)rm -f .tmp_quiet_recordmcount 399 400# To avoid any implicit rule to kick in, define an empty command. 401scripts/basic/%: scripts_basic ; 402 403PHONY += outputmakefile 404# outputmakefile generates a Makefile in the output directory, if using a 405# separate output directory. This allows convenient use of make in the 406# output directory. 407outputmakefile: 408ifneq ($(KBUILD_SRC),) 409 $(Q)ln -fsn $(srctree) source 410 $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile \ 411 $(srctree) $(objtree) $(VERSION) $(PATCHLEVEL) 412endif 413 414# To make sure we do not include .config for any of the *config targets 415# catch them early, and hand them over to scripts/kconfig/Makefile 416# It is allowed to specify more targets when calling make, including 417# mixing *config targets and build targets. 418# For example 'make oldconfig all'. 419# Detect when mixed targets is specified, and make a second invocation 420# of make so .config is not included in this case either (for *config). 421 422version_h := include/generated/version_autogenerated.h 423timestamp_h := include/generated/timestamp_autogenerated.h 424 425no-dot-config-targets := clean clobber mrproper distclean \ 426 help %docs check% coccicheck \ 427 ubootversion backup 428 429config-targets := 0 430mixed-targets := 0 431dot-config := 1 432 433ifneq ($(filter $(no-dot-config-targets), $(MAKECMDGOALS)),) 434 ifeq ($(filter-out $(no-dot-config-targets), $(MAKECMDGOALS)),) 435 dot-config := 0 436 endif 437endif 438 439ifeq ($(KBUILD_EXTMOD),) 440 ifneq ($(filter config %config,$(MAKECMDGOALS)),) 441 config-targets := 1 442 ifneq ($(words $(MAKECMDGOALS)),1) 443 mixed-targets := 1 444 endif 445 endif 446endif 447 448ifeq ($(mixed-targets),1) 449# =========================================================================== 450# We're called with mixed targets (*config and build targets). 451# Handle them one by one. 452 453PHONY += $(MAKECMDGOALS) __build_one_by_one 454 455$(filter-out __build_one_by_one, $(MAKECMDGOALS)): __build_one_by_one 456 @: 457 458__build_one_by_one: 459 $(Q)set -e; \ 460 for i in $(MAKECMDGOALS); do \ 461 $(MAKE) -f $(srctree)/Makefile $$i; \ 462 done 463 464else 465ifeq ($(config-targets),1) 466# =========================================================================== 467# *config targets only - make sure prerequisites are updated, and descend 468# in scripts/kconfig to make the *config target 469 470KBUILD_DEFCONFIG := sandbox_defconfig 471export KBUILD_DEFCONFIG KBUILD_KCONFIG 472 473config: scripts_basic outputmakefile FORCE 474 $(Q)$(MAKE) $(build)=scripts/kconfig $@ 475 476%config: scripts_basic outputmakefile FORCE 477 $(Q)$(MAKE) $(build)=scripts/kconfig $@ 478 479else 480# =========================================================================== 481# Build targets only - this includes vmlinux, arch specific targets, clean 482# targets and others. In general all targets except *config targets. 483 484ifeq ($(dot-config),1) 485# Read in config 486-include include/config/auto.conf 487 488# Read in dependencies to all Kconfig* files, make sure to run 489# oldconfig if changes are detected. 490-include include/config/auto.conf.cmd 491 492# To avoid any implicit rule to kick in, define an empty command 493$(KCONFIG_CONFIG) include/config/auto.conf.cmd: ; 494 495# If .config is newer than include/config/auto.conf, someone tinkered 496# with it and forgot to run make oldconfig. 497# if auto.conf.cmd is missing then we are probably in a cleaned tree so 498# we execute the config step to be sure to catch updated Kconfig files 499include/config/%.conf: $(KCONFIG_CONFIG) include/config/auto.conf.cmd 500 $(Q)$(MAKE) -f $(srctree)/Makefile silentoldconfig 501 @# If the following part fails, include/config/auto.conf should be 502 @# deleted so "make silentoldconfig" will be re-run on the next build. 503 $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.autoconf || \ 504 { rm -f include/config/auto.conf; false; } 505 @# include/config.h has been updated after "make silentoldconfig". 506 @# We need to touch include/config/auto.conf so it gets newer 507 @# than include/config.h. 508 @# Otherwise, 'make silentoldconfig' would be invoked twice. 509 $(Q)touch include/config/auto.conf 510 511-include include/autoconf.mk 512-include include/autoconf.mk.dep 513 514# We want to include arch/$(ARCH)/config.mk only when include/config/auto.conf 515# is up-to-date. When we switch to a different board configuration, old CONFIG 516# macros are still remaining in include/config/auto.conf. Without the following 517# gimmick, wrong config.mk would be included leading nasty warnings/errors. 518ifneq ($(wildcard $(KCONFIG_CONFIG)),) 519ifneq ($(wildcard include/config/auto.conf),) 520autoconf_is_old := $(shell find . -path ./$(KCONFIG_CONFIG) -newer \ 521 include/config/auto.conf) 522ifeq ($(autoconf_is_old),) 523include config.mk 524include arch/$(ARCH)/Makefile 525endif 526endif 527endif 528 529# If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use 530# that (or fail if absent). Otherwise, search for a linker script in a 531# standard location. 532 533ifndef LDSCRIPT 534 #LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds.debug 535 ifdef CONFIG_SYS_LDSCRIPT 536 # need to strip off double quotes 537 LDSCRIPT := $(srctree)/$(CONFIG_SYS_LDSCRIPT:"%"=%) 538 endif 539endif 540 541# If there is no specified link script, we look in a number of places for it 542ifndef LDSCRIPT 543 ifeq ($(wildcard $(LDSCRIPT)),) 544 LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds 545 endif 546 ifeq ($(wildcard $(LDSCRIPT)),) 547 LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot.lds 548 endif 549 ifeq ($(wildcard $(LDSCRIPT)),) 550 LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot.lds 551 endif 552endif 553 554else 555# Dummy target needed, because used as prerequisite 556include/config/auto.conf: ; 557endif # $(dot-config) 558 559ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE 560KBUILD_CFLAGS += -Os 561else 562KBUILD_CFLAGS += -O2 563endif 564 565KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector) 566KBUILD_CFLAGS += $(call cc-option,-fno-delete-null-pointer-checks) 567 568KBUILD_CFLAGS += -g 569# $(KBUILD_AFLAGS) sets -g, which causes gcc to pass a suitable -g<format> 570# option to the assembler. 571KBUILD_AFLAGS += -g 572 573# Report stack usage if supported 574ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-stack-usage.sh $(CC)),y) 575 KBUILD_CFLAGS += -fstack-usage 576endif 577 578KBUILD_CFLAGS += $(call cc-option,-Wno-format-nonliteral) 579 580# turn jbsr into jsr for m68k 581ifeq ($(ARCH),m68k) 582ifeq ($(findstring 3.4,$(shell $(CC) --version)),3.4) 583KBUILD_AFLAGS += -Wa,-gstabs,-S 584endif 585endif 586 587# Prohibit date/time macros, which would make the build non-deterministic 588KBUILD_CFLAGS += $(call cc-option,-Werror=date-time) 589 590include scripts/Makefile.extrawarn 591 592# Add user supplied CPPFLAGS, AFLAGS and CFLAGS as the last assignments 593KBUILD_CPPFLAGS += $(KCPPFLAGS) 594KBUILD_AFLAGS += $(KAFLAGS) 595KBUILD_CFLAGS += $(KCFLAGS) 596 597# Use UBOOTINCLUDE when you must reference the include/ directory. 598# Needed to be compatible with the O= option 599UBOOTINCLUDE := \ 600 -Iinclude \ 601 $(if $(KBUILD_SRC), -I$(srctree)/include) \ 602 $(if $(CONFIG_SYS_THUMB_BUILD), $(if $(CONFIG_HAS_THUMB2),, \ 603 -I$(srctree)/arch/$(ARCH)/thumb1/include),) \ 604 -I$(srctree)/arch/$(ARCH)/include \ 605 -include $(srctree)/include/linux/kconfig.h 606 607NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include) 608CHECKFLAGS += $(NOSTDINC_FLAGS) 609 610# FIX ME 611cpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \ 612 $(NOSTDINC_FLAGS) 613c_flags := $(KBUILD_CFLAGS) $(cpp_flags) 614 615######################################################################### 616# U-Boot objects....order is important (i.e. start must be first) 617 618HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n) 619 620libs-y += lib/ 621libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/ 622libs-$(CONFIG_OF_EMBED) += dts/ 623libs-y += fs/ 624libs-y += net/ 625libs-y += disk/ 626libs-y += drivers/ 627libs-y += drivers/dma/ 628libs-y += drivers/gpio/ 629libs-y += drivers/i2c/ 630libs-y += drivers/mmc/ 631libs-y += drivers/mtd/ 632libs-$(CONFIG_CMD_NAND) += drivers/mtd/nand/ 633libs-y += drivers/mtd/onenand/ 634libs-$(CONFIG_CMD_UBI) += drivers/mtd/ubi/ 635libs-y += drivers/mtd/spi/ 636libs-y += drivers/net/ 637libs-y += drivers/net/phy/ 638libs-y += drivers/pci/ 639libs-y += drivers/power/ \ 640 drivers/power/fuel_gauge/ \ 641 drivers/power/mfd/ \ 642 drivers/power/pmic/ \ 643 drivers/power/battery/ \ 644 drivers/power/regulator/ 645libs-y += drivers/spi/ 646libs-$(CONFIG_FMAN_ENET) += drivers/net/fm/ 647libs-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/ 648libs-$(CONFIG_ALTERA_SDRAM) += drivers/ddr/altera/ 649libs-y += drivers/serial/ 650libs-y += drivers/usb/dwc3/ 651libs-y += drivers/usb/emul/ 652libs-y += drivers/usb/eth/ 653libs-y += drivers/usb/gadget/ 654libs-y += drivers/usb/gadget/udc/ 655libs-y += drivers/usb/host/ 656libs-y += drivers/usb/musb/ 657libs-y += drivers/usb/musb-new/ 658libs-y += drivers/usb/phy/ 659libs-y += drivers/usb/ulpi/ 660libs-y += cmd/ 661libs-y += common/ 662libs-$(CONFIG_API) += api/ 663libs-$(CONFIG_HAS_POST) += post/ 664libs-y += test/ 665libs-y += test/dm/ 666libs-$(CONFIG_UT_ENV) += test/env/ 667 668libs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/) 669 670libs-y := $(sort $(libs-y)) 671 672u-boot-dirs := $(patsubst %/,%,$(filter %/, $(libs-y))) tools examples 673 674u-boot-alldirs := $(sort $(u-boot-dirs) $(patsubst %/,%,$(filter %/, $(libs-)))) 675 676libs-y := $(patsubst %/, %/built-in.o, $(libs-y)) 677 678u-boot-init := $(head-y) 679u-boot-main := $(libs-y) 680 681 682# Add GCC lib 683ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y) 684PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a 685else 686PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(c_flags) -print-libgcc-file-name`) -lgcc 687endif 688PLATFORM_LIBS += $(PLATFORM_LIBGCC) 689export PLATFORM_LIBS 690export PLATFORM_LIBGCC 691 692# Special flags for CPP when processing the linker script. 693# Pass the version down so we can handle backwards compatibility 694# on the fly. 695LDPPFLAGS += \ 696 -include $(srctree)/include/u-boot/u-boot.lds.h \ 697 -DCPUDIR=$(CPUDIR) \ 698 $(shell $(LD) --version | \ 699 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 700 701######################################################################### 702######################################################################### 703 704ifneq ($(CONFIG_BOARD_SIZE_LIMIT),) 705BOARD_SIZE_CHECK = \ 706 @actual=`wc -c $@ | awk '{print $$1}'`; \ 707 limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \ 708 if test $$actual -gt $$limit; then \ 709 echo "$@ exceeds file size limit:" >&2 ; \ 710 echo " limit: $$limit bytes" >&2 ; \ 711 echo " actual: $$actual bytes" >&2 ; \ 712 echo " excess: $$((actual - limit)) bytes" >&2; \ 713 exit 1; \ 714 fi 715else 716BOARD_SIZE_CHECK = 717endif 718 719# Statically apply RELA-style relocations (currently arm64 only) 720ifneq ($(CONFIG_STATIC_RELA),) 721# $(1) is u-boot ELF, $(2) is u-boot bin, $(3) is text base 722DO_STATIC_RELA = \ 723 start=$$($(NM) $(1) | grep __rel_dyn_start | cut -f 1 -d ' '); \ 724 end=$$($(NM) $(1) | grep __rel_dyn_end | cut -f 1 -d ' '); \ 725 tools/relocate-rela $(2) $(3) $$start $$end 726else 727DO_STATIC_RELA = 728endif 729 730# Always append ALL so that arch config.mk's can add custom ones 731ALL-y += u-boot.srec u-boot.bin u-boot.sym System.map u-boot.cfg binary_size_check 732 733ALL-$(CONFIG_ONENAND_U_BOOT) += u-boot-onenand.bin 734ifeq ($(CONFIG_SPL_FSL_PBL),y) 735ALL-$(CONFIG_RAMBOOT_PBL) += u-boot-with-spl-pbl.bin 736else 737ifneq ($(CONFIG_SECURE_BOOT), y) 738# For Secure Boot The Image needs to be signed and Header must also 739# be included. So The image has to be built explicitly 740ALL-$(CONFIG_RAMBOOT_PBL) += u-boot.pbl 741endif 742endif 743ALL-$(CONFIG_SPL) += spl/u-boot-spl.bin 744ALL-$(CONFIG_SPL_FRAMEWORK) += u-boot.img 745ALL-$(CONFIG_TPL) += tpl/u-boot-tpl.bin 746ALL-$(CONFIG_OF_SEPARATE) += u-boot.dtb 747ifeq ($(CONFIG_SPL_FRAMEWORK),y) 748ALL-$(CONFIG_OF_SEPARATE) += u-boot-dtb.img 749endif 750ALL-$(CONFIG_OF_HOSTFILE) += u-boot.dtb 751ifneq ($(CONFIG_SPL_TARGET),) 752ALL-$(CONFIG_SPL) += $(CONFIG_SPL_TARGET:"%"=%) 753endif 754ALL-$(CONFIG_REMAKE_ELF) += u-boot.elf 755ALL-$(CONFIG_EFI_APP) += u-boot-app.efi 756ALL-$(CONFIG_EFI_STUB) += u-boot-payload.efi 757 758ifneq ($(BUILD_ROM),) 759ALL-$(CONFIG_X86_RESET_VECTOR) += u-boot.rom 760endif 761 762# enable combined SPL/u-boot/dtb rules for tegra 763ifeq ($(CONFIG_TEGRA)$(CONFIG_SPL),yy) 764ALL-y += u-boot-tegra.bin u-boot-nodtb-tegra.bin 765ALL-$(CONFIG_OF_SEPARATE) += u-boot-dtb-tegra.bin 766endif 767 768# Add optional build target if defined in board/cpu/soc headers 769ifneq ($(CONFIG_BUILD_TARGET),) 770ALL-y += $(CONFIG_BUILD_TARGET:"%"=%) 771endif 772 773LDFLAGS_u-boot += $(LDFLAGS_FINAL) 774ifneq ($(CONFIG_SYS_TEXT_BASE),) 775LDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE) 776endif 777 778# Normally we fill empty space with 0xff 779quiet_cmd_objcopy = OBJCOPY $@ 780cmd_objcopy = $(OBJCOPY) --gap-fill=0xff $(OBJCOPYFLAGS) \ 781 $(OBJCOPYFLAGS_$(@F)) $< $@ 782 783# Provide a version which does not do this, for use by EFI 784quiet_cmd_zobjcopy = OBJCOPY $@ 785cmd_zobjcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@ 786 787quiet_cmd_efipayload = OBJCOPY $@ 788cmd_efipayload = $(OBJCOPY) -I binary -O $(EFIPAYLOAD_BFDTARGET) -B $(EFIPAYLOAD_BFDARCH) $< $@ 789 790quiet_cmd_mkimage = MKIMAGE $@ 791cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \ 792 $(if $(KBUILD_VERBOSE:1=), >/dev/null) 793 794quiet_cmd_cat = CAT $@ 795cmd_cat = cat $(filter-out $(PHONY), $^) > $@ 796 797append = cat $(filter-out $< $(PHONY), $^) >> $@ 798 799quiet_cmd_pad_cat = CAT $@ 800cmd_pad_cat = $(cmd_objcopy) && $(append) || rm -f $@ 801 802all: $(ALL-y) 803ifneq ($(CONFIG_SYS_GENERIC_BOARD),y) 804 @echo "===================== WARNING ======================" 805 @echo "Please convert this board to generic board." 806 @echo "Otherwise it will be removed by the end of 2014." 807 @echo "See doc/README.generic-board for further information" 808 @echo "====================================================" 809endif 810ifeq ($(CONFIG_DM_I2C_COMPAT),y) 811 @echo "===================== WARNING ======================" 812 @echo "This board uses CONFIG_DM_I2C_COMPAT. Please remove" 813 @echo "(possibly in a subsequent patch in your series)" 814 @echo "before sending patches to the mailing list." 815 @echo "====================================================" 816endif 817 818PHONY += dtbs 819dtbs dts/dt.dtb: checkdtc u-boot 820 $(Q)$(MAKE) $(build)=dts dtbs 821 822quiet_cmd_copy = COPY $@ 823 cmd_copy = cp $< $@ 824 825ifeq ($(CONFIG_OF_SEPARATE),y) 826u-boot-dtb.bin: u-boot-nodtb.bin dts/dt.dtb FORCE 827 $(call if_changed,cat) 828 829u-boot.bin: u-boot-dtb.bin FORCE 830 $(call if_changed,copy) 831else 832u-boot.bin: u-boot-nodtb.bin FORCE 833 $(call if_changed,copy) 834endif 835 836%.imx: %.bin 837 $(Q)$(MAKE) $(build)=arch/arm/imx-common $@ 838 839u-boot.dtb: dts/dt.dtb 840 $(call cmd,copy) 841 842OBJCOPYFLAGS_u-boot.hex := -O ihex 843 844OBJCOPYFLAGS_u-boot.srec := -O srec 845 846u-boot.hex u-boot.srec: u-boot FORCE 847 $(call if_changed,objcopy) 848 849OBJCOPYFLAGS_u-boot-nodtb.bin := -O binary \ 850 $(if $(CONFIG_X86_RESET_VECTOR),-R .start16 -R .resetvec) 851 852binary_size_check: u-boot-nodtb.bin FORCE 853 @file_size=$(shell wc -c u-boot-nodtb.bin | awk '{print $$1}') ; \ 854 map_size=$(shell cat u-boot.map | \ 855 awk '/_image_copy_start/ {start = $$1} /_image_binary_end/ {end = $$1} END {if (start != "" && end != "") print "ibase=16; " toupper(end) " - " toupper(start)}' \ 856 | sed 's/0X//g' \ 857 | bc); \ 858 if [ "" != "$$map_size" ]; then \ 859 if test $$map_size -ne $$file_size; then \ 860 echo "u-boot.map shows a binary size of $$map_size" >&2 ; \ 861 echo " but u-boot-nodtb.bin shows $$file_size" >&2 ; \ 862 exit 1; \ 863 fi \ 864 fi 865 866u-boot-nodtb.bin: u-boot FORCE 867 $(call if_changed,objcopy) 868 $(call DO_STATIC_RELA,$<,$@,$(CONFIG_SYS_TEXT_BASE)) 869 $(BOARD_SIZE_CHECK) 870 871u-boot.ldr: u-boot 872 $(CREATE_LDR_ENV) 873 $(LDR) -T $(CONFIG_CPU) -c $@ $< $(LDR_FLAGS) 874 $(BOARD_SIZE_CHECK) 875 876OBJCOPYFLAGS_u-boot.ldr.hex := -I binary -O ihex 877 878OBJCOPYFLAGS_u-boot.ldr.srec := -I binary -O srec 879 880u-boot.ldr.hex u-boot.ldr.srec: u-boot.ldr FORCE 881 $(call if_changed,objcopy) 882 883# 884# U-Boot entry point, needed for booting of full-blown U-Boot 885# from the SPL U-Boot version. 886# 887ifndef CONFIG_SYS_UBOOT_START 888CONFIG_SYS_UBOOT_START := 0 889endif 890 891# Create a file containing the configuration options the image was built with 892quiet_cmd_cpp_cfg = CFG $@ 893cmd_cpp_cfg = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \ 894 -DDO_DEPS_ONLY -D__ASSEMBLY__ -x assembler-with-cpp -P -dM -E -o $@ $< 895 896MKIMAGEFLAGS_u-boot.img = -A $(ARCH) -T firmware -C none -O u-boot \ 897 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \ 898 -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board" 899 900MKIMAGEFLAGS_u-boot-dtb.img = $(MKIMAGEFLAGS_u-boot.img) 901 902MKIMAGEFLAGS_u-boot.kwb = -n $(srctree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%) \ 903 -T kwbimage -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) 904 905MKIMAGEFLAGS_u-boot-spl.kwb = -n $(srctree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%) \ 906 -T kwbimage -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) 907 908MKIMAGEFLAGS_u-boot.pbl = -n $(srctree)/$(CONFIG_SYS_FSL_PBL_RCW:"%"=%) \ 909 -R $(srctree)/$(CONFIG_SYS_FSL_PBL_PBI:"%"=%) -T pblimage 910 911u-boot-dtb.img u-boot.img u-boot.kwb u-boot.pbl: u-boot.bin FORCE 912 $(call if_changed,mkimage) 913 914u-boot-spl.kwb: u-boot.img spl/u-boot-spl.bin FORCE 915 $(call if_changed,mkimage) 916 917u-boot.sha1: u-boot.bin 918 tools/ubsha1 u-boot.bin 919 920u-boot.dis: u-boot 921 $(OBJDUMP) -d $< > $@ 922 923u-boot.cfg: include/config.h FORCE 924 $(call if_changed,cpp_cfg) 925 926ifdef CONFIG_TPL 927SPL_PAYLOAD := tpl/u-boot-with-tpl.bin 928else 929SPL_PAYLOAD := u-boot.bin 930endif 931 932OBJCOPYFLAGS_u-boot-with-spl.bin = -I binary -O binary \ 933 --pad-to=$(CONFIG_SPL_PAD_TO) 934u-boot-with-spl.bin: spl/u-boot-spl.bin $(SPL_PAYLOAD) FORCE 935 $(call if_changed,pad_cat) 936 937MKIMAGEFLAGS_lpc32xx-spl.img = -T lpc32xximage -a $(CONFIG_SPL_TEXT_BASE) 938 939lpc32xx-spl.img: spl/u-boot-spl.bin FORCE 940 $(call if_changed,mkimage) 941 942OBJCOPYFLAGS_lpc32xx-boot-0.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) 943 944lpc32xx-boot-0.bin: lpc32xx-spl.img FORCE 945 $(call if_changed,objcopy) 946 947OBJCOPYFLAGS_lpc32xx-boot-1.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) 948 949lpc32xx-boot-1.bin: lpc32xx-spl.img FORCE 950 $(call if_changed,objcopy) 951 952lpc32xx-full.bin: lpc32xx-boot-0.bin lpc32xx-boot-1.bin u-boot.img FORCE 953 $(call if_changed,cat) 954 955CLEAN_FILES += lpc32xx-* 956 957OBJCOPYFLAGS_u-boot-with-tpl.bin = -I binary -O binary \ 958 --pad-to=$(CONFIG_TPL_PAD_TO) 959tpl/u-boot-with-tpl.bin: tpl/u-boot-tpl.bin u-boot.bin FORCE 960 $(call if_changed,pad_cat) 961 962SPL: spl/u-boot-spl.bin FORCE 963 $(Q)$(MAKE) $(build)=arch/arm/imx-common $@ 964 965u-boot-with-spl.imx u-boot-with-nand-spl.imx: SPL u-boot.bin FORCE 966 $(Q)$(MAKE) $(build)=arch/arm/imx-common $@ 967 968MKIMAGEFLAGS_u-boot.ubl = -n $(UBL_CONFIG) -T ublimage -e $(CONFIG_SYS_TEXT_BASE) 969 970u-boot.ubl: u-boot-with-spl.bin FORCE 971 $(call if_changed,mkimage) 972 973MKIMAGEFLAGS_u-boot-spl.ais = -s -n $(if $(CONFIG_AIS_CONFIG_FILE), \ 974 $(srctree)/$(CONFIG_AIS_CONFIG_FILE:"%"=%),"/dev/null") \ 975 -T aisimage -e $(CONFIG_SPL_TEXT_BASE) 976spl/u-boot-spl.ais: spl/u-boot-spl.bin FORCE 977 $(call if_changed,mkimage) 978 979OBJCOPYFLAGS_u-boot.ais = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) 980u-boot.ais: spl/u-boot-spl.ais u-boot.img FORCE 981 $(call if_changed,pad_cat) 982 983u-boot-signed.sb: u-boot.bin spl/u-boot-spl.bin 984 $(Q)$(MAKE) $(build)=arch/arm/cpu/arm926ejs/mxs u-boot-signed.sb 985u-boot.sb: u-boot.bin spl/u-boot-spl.bin 986 $(Q)$(MAKE) $(build)=arch/arm/cpu/arm926ejs/mxs u-boot.sb 987 988# On x600 (SPEAr600) U-Boot is appended to U-Boot SPL. 989# Both images are created using mkimage (crc etc), so that the ROM 990# bootloader can check its integrity. Padding needs to be done to the 991# SPL image (with mkimage header) and not the binary. Otherwise the resulting image 992# which is loaded/copied by the ROM bootloader to SRAM doesn't fit. 993# The resulting image containing both U-Boot images is called u-boot.spr 994MKIMAGEFLAGS_u-boot-spl.img = -A $(ARCH) -T firmware -C none \ 995 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER 996spl/u-boot-spl.img: spl/u-boot-spl.bin FORCE 997 $(call if_changed,mkimage) 998 999OBJCOPYFLAGS_u-boot.spr = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) \ 1000 --gap-fill=0xff 1001u-boot.spr: spl/u-boot-spl.img u-boot.img FORCE 1002 $(call if_changed,pad_cat) 1003 1004ifneq ($(CONFIG_ARCH_SOCFPGA),) 1005quiet_cmd_socboot = SOCBOOT $@ 1006cmd_socboot = cat spl/u-boot-spl.sfp spl/u-boot-spl.sfp \ 1007 spl/u-boot-spl.sfp spl/u-boot-spl.sfp \ 1008 u-boot.img > $@ || rm -f $@ 1009u-boot-with-spl.sfp: spl/u-boot-spl.sfp u-boot.img FORCE 1010 $(call if_changed,socboot) 1011endif 1012 1013# x86 uses a large ROM. We fill it with 0xff, put the 16-bit stuff (including 1014# reset vector) at the top, Intel ME descriptor at the bottom, and U-Boot in 1015# the middle. 1016ifneq ($(CONFIG_X86_RESET_VECTOR),) 1017rom: u-boot.rom FORCE 1018 1019IFDTOOL=$(objtree)/tools/ifdtool 1020IFDTOOL_FLAGS = -f 0:$(objtree)/u-boot.dtb 1021IFDTOOL_FLAGS += -m 0x$(shell $(NM) u-boot |grep _dt_ucode_base_size |cut -d' ' -f1) 1022IFDTOOL_FLAGS += -U $(CONFIG_SYS_TEXT_BASE):$(objtree)/u-boot-nodtb.bin 1023IFDTOOL_FLAGS += -w $(CONFIG_SYS_X86_START16):$(objtree)/u-boot-x86-16bit.bin 1024IFDTOOL_FLAGS += -C 1025 1026ifneq ($(CONFIG_HAVE_INTEL_ME),) 1027IFDTOOL_ME_FLAGS = -D $(srctree)/board/$(BOARDDIR)/descriptor.bin 1028IFDTOOL_ME_FLAGS += -i ME:$(srctree)/board/$(BOARDDIR)/me.bin 1029endif 1030 1031ifneq ($(CONFIG_HAVE_MRC),) 1032IFDTOOL_FLAGS += -w $(CONFIG_X86_MRC_ADDR):$(srctree)/board/$(BOARDDIR)/mrc.bin 1033endif 1034 1035ifneq ($(CONFIG_HAVE_FSP),) 1036IFDTOOL_FLAGS += -w $(CONFIG_FSP_ADDR):$(srctree)/board/$(BOARDDIR)/$(CONFIG_FSP_FILE) 1037endif 1038 1039ifneq ($(CONFIG_HAVE_CMC),) 1040IFDTOOL_FLAGS += -w $(CONFIG_CMC_ADDR):$(srctree)/board/$(BOARDDIR)/$(CONFIG_CMC_FILE) 1041endif 1042 1043ifneq ($(CONFIG_HAVE_VGA_BIOS),) 1044IFDTOOL_FLAGS += -w $(CONFIG_VGA_BIOS_ADDR):$(srctree)/board/$(BOARDDIR)/$(CONFIG_VGA_BIOS_FILE) 1045endif 1046 1047quiet_cmd_ifdtool = IFDTOOL $@ 1048cmd_ifdtool = $(IFDTOOL) -c -r $(CONFIG_ROM_SIZE) u-boot.tmp; 1049ifneq ($(CONFIG_HAVE_INTEL_ME),) 1050cmd_ifdtool += $(IFDTOOL) $(IFDTOOL_ME_FLAGS) u-boot.tmp; 1051endif 1052cmd_ifdtool += $(IFDTOOL) $(IFDTOOL_FLAGS) u-boot.tmp; 1053cmd_ifdtool += mv u-boot.tmp $@ 1054 1055u-boot.rom: u-boot-x86-16bit.bin u-boot.bin FORCE 1056 $(call if_changed,ifdtool) 1057 1058OBJCOPYFLAGS_u-boot-x86-16bit.bin := -O binary -j .start16 -j .resetvec 1059u-boot-x86-16bit.bin: u-boot FORCE 1060 $(call if_changed,objcopy) 1061endif 1062 1063ifneq ($(CONFIG_SUNXI),) 1064OBJCOPYFLAGS_u-boot-sunxi-with-spl.bin = -I binary -O binary \ 1065 --pad-to=$(CONFIG_SPL_PAD_TO) --gap-fill=0xff 1066u-boot-sunxi-with-spl.bin: spl/sunxi-spl.bin u-boot.img FORCE 1067 $(call if_changed,pad_cat) 1068endif 1069 1070ifneq ($(CONFIG_TEGRA),) 1071OBJCOPYFLAGS_u-boot-nodtb-tegra.bin = -O binary --pad-to=$(CONFIG_SYS_TEXT_BASE) 1072u-boot-nodtb-tegra.bin: spl/u-boot-spl u-boot-nodtb.bin FORCE 1073 $(call if_changed,pad_cat) 1074 1075OBJCOPYFLAGS_u-boot-tegra.bin = -O binary --pad-to=$(CONFIG_SYS_TEXT_BASE) 1076u-boot-tegra.bin: spl/u-boot-spl u-boot.bin FORCE 1077 $(call if_changed,pad_cat) 1078 1079u-boot-dtb-tegra.bin: u-boot-tegra.bin FORCE 1080 $(call if_changed,copy) 1081endif 1082 1083OBJCOPYFLAGS_u-boot-app.efi := $(OBJCOPYFLAGS_EFI) 1084u-boot-app.efi: u-boot FORCE 1085 $(call if_changed,zobjcopy) 1086 1087u-boot.bin.o: u-boot.bin FORCE 1088 $(call if_changed,efipayload) 1089 1090u-boot-payload.lds: $(LDSCRIPT_EFI) FORCE 1091 $(call if_changed_dep,cpp_lds) 1092 1093# Rule to link the EFI payload which contains a stub and a U-Boot binary 1094quiet_cmd_u-boot_payload ?= LD $@ 1095 cmd_u-boot_payload ?= $(LD) $(LDFLAGS_EFI_PAYLOAD) -o $@ \ 1096 -T u-boot-payload.lds arch/x86/cpu/call32.o \ 1097 lib/efi/efi.o lib/efi/efi_stub.o u-boot.bin.o \ 1098 $(addprefix arch/$(ARCH)/lib/efi/,$(EFISTUB)) 1099 1100u-boot-payload: u-boot.bin.o u-boot-payload.lds FORCE 1101 $(call if_changed,u-boot_payload) 1102 1103OBJCOPYFLAGS_u-boot-payload.efi := $(OBJCOPYFLAGS_EFI) 1104u-boot-payload.efi: u-boot-payload FORCE 1105 $(call if_changed,zobjcopy) 1106 1107u-boot-img.bin: spl/u-boot-spl.bin u-boot.img FORCE 1108 $(call if_changed,cat) 1109 1110#Add a target to create boot binary having SPL binary in PBI format 1111#concatenated with u-boot binary. It is need by PowerPC SoC having 1112#internal SRAM <= 512KB. 1113MKIMAGEFLAGS_u-boot-spl.pbl = -n $(srctree)/$(CONFIG_SYS_FSL_PBL_RCW:"%"=%) \ 1114 -R $(srctree)/$(CONFIG_SYS_FSL_PBL_PBI:"%"=%) -T pblimage \ 1115 -A $(ARCH) -a $(CONFIG_SPL_TEXT_BASE) 1116 1117spl/u-boot-spl.pbl: spl/u-boot-spl.bin FORCE 1118 $(call if_changed,mkimage) 1119 1120ifeq ($(ARCH),arm) 1121UBOOT_BINLOAD := u-boot.img 1122else 1123UBOOT_BINLOAD := u-boot.bin 1124endif 1125 1126OBJCOPYFLAGS_u-boot-with-spl-pbl.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) \ 1127 --gap-fill=0xff 1128 1129u-boot-with-spl-pbl.bin: spl/u-boot-spl.pbl $(UBOOT_BINLOAD) FORCE 1130 $(call if_changed,pad_cat) 1131 1132# PPC4xx needs the SPL at the end of the image, since the reset vector 1133# is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target 1134# and need to introduce a new build target with the full blown U-Boot 1135# at the start padded up to the start of the SPL image. And then concat 1136# the SPL image to the end. 1137 1138OBJCOPYFLAGS_u-boot-img-spl-at-end.bin := -I binary -O binary \ 1139 --pad-to=$(CONFIG_UBOOT_PAD_TO) --gap-fill=0xff 1140u-boot-img-spl-at-end.bin: u-boot.img spl/u-boot-spl.bin FORCE 1141 $(call if_changed,pad_cat) 1142 1143# Create a new ELF from a raw binary file. This is useful for arm64 1144# where static relocation needs to be performed on the raw binary, 1145# but certain simulators only accept an ELF file (but don't do the 1146# relocation). 1147# FIXME refactor dts/Makefile to share target/arch detection 1148u-boot.elf: u-boot.bin 1149 @$(OBJCOPY) -B aarch64 -I binary -O elf64-littleaarch64 \ 1150 $< u-boot-elf.o 1151 @$(LD) u-boot-elf.o -o $@ \ 1152 --defsym=_start=$(CONFIG_SYS_TEXT_BASE) \ 1153 -Ttext=$(CONFIG_SYS_TEXT_BASE) 1154 1155# Rule to link u-boot 1156# May be overridden by arch/$(ARCH)/config.mk 1157quiet_cmd_u-boot__ ?= LD $@ 1158 cmd_u-boot__ ?= $(LD) $(LDFLAGS) $(LDFLAGS_u-boot) -o $@ \ 1159 -T u-boot.lds $(u-boot-init) \ 1160 --start-group $(u-boot-main) --end-group \ 1161 $(PLATFORM_LIBS) -Map u-boot.map 1162 1163quiet_cmd_smap = GEN common/system_map.o 1164cmd_smap = \ 1165 smap=`$(call SYSTEM_MAP,u-boot) | \ 1166 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \ 1167 $(CC) $(c_flags) -DSYSTEM_MAP="\"$${smap}\"" \ 1168 -c $(srctree)/common/system_map.c -o common/system_map.o 1169 1170u-boot: $(u-boot-init) $(u-boot-main) u-boot.lds FORCE 1171 $(call if_changed,u-boot__) 1172ifeq ($(CONFIG_KALLSYMS),y) 1173 $(call cmd,smap) 1174 $(call cmd,u-boot__) common/system_map.o 1175endif 1176 1177quiet_cmd_sym ?= SYM $@ 1178 cmd_sym ?= $(OBJDUMP) -t $< > $@ 1179u-boot.sym: u-boot FORCE 1180 $(call if_changed,sym) 1181 1182# The actual objects are generated when descending, 1183# make sure no implicit rule kicks in 1184$(sort $(u-boot-init) $(u-boot-main)): $(u-boot-dirs) ; 1185 1186# Handle descending into subdirectories listed in $(vmlinux-dirs) 1187# Preset locale variables to speed up the build process. Limit locale 1188# tweaks to this spot to avoid wrong language settings when running 1189# make menuconfig etc. 1190# Error messages still appears in the original language 1191 1192PHONY += $(u-boot-dirs) 1193$(u-boot-dirs): prepare scripts 1194 $(Q)$(MAKE) $(build)=$@ 1195 1196tools: prepare 1197# The "tools" are needed early 1198$(filter-out tools, $(u-boot-dirs)): tools 1199# The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC 1200# is "yes"), so compile examples after U-Boot is compiled. 1201examples: $(filter-out examples, $(u-boot-dirs)) 1202 1203define filechk_uboot.release 1204 echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" 1205endef 1206 1207# Store (new) UBOOTRELEASE string in include/config/uboot.release 1208include/config/uboot.release: include/config/auto.conf FORCE 1209 $(call filechk,uboot.release) 1210 1211 1212# Things we need to do before we recursively start building the kernel 1213# or the modules are listed in "prepare". 1214# A multi level approach is used. prepareN is processed before prepareN-1. 1215# archprepare is used in arch Makefiles and when processed asm symlink, 1216# version.h and scripts_basic is processed / created. 1217 1218# Listed in dependency order 1219PHONY += prepare archprepare prepare0 prepare1 prepare2 prepare3 1220 1221# prepare3 is used to check if we are building in a separate output directory, 1222# and if so do: 1223# 1) Check that make has not been executed in the kernel src $(srctree) 1224prepare3: include/config/uboot.release 1225ifneq ($(KBUILD_SRC),) 1226 @$(kecho) ' Using $(srctree) as source for U-Boot' 1227 $(Q)if [ -f $(srctree)/.config -o -d $(srctree)/include/config ]; then \ 1228 echo >&2 " $(srctree) is not clean, please run 'make mrproper'"; \ 1229 echo >&2 " in the '$(srctree)' directory.";\ 1230 /bin/false; \ 1231 fi; 1232endif 1233 1234# prepare2 creates a makefile if using a separate output directory 1235prepare2: prepare3 outputmakefile 1236 1237prepare1: prepare2 $(version_h) $(timestamp_h) \ 1238 include/config/auto.conf 1239ifeq ($(CONFIG_HAVE_GENERIC_BOARD),) 1240ifeq ($(CONFIG_SYS_GENERIC_BOARD),y) 1241 @echo >&2 " Your architecture does not support generic board." 1242 @echo >&2 " Please undefine CONFIG_SYS_GENERIC_BOARD in your board config file." 1243 @/bin/false 1244endif 1245endif 1246ifeq ($(wildcard $(LDSCRIPT)),) 1247 @echo >&2 " Could not find linker script." 1248 @/bin/false 1249endif 1250 1251archprepare: prepare1 scripts_basic 1252 1253prepare0: archprepare FORCE 1254 $(Q)$(MAKE) $(build)=. 1255 1256# All the preparing.. 1257prepare: prepare0 1258 1259# Generate some files 1260# --------------------------------------------------------------------------- 1261 1262define filechk_version.h 1263 (echo \#define PLAIN_VERSION \"$(UBOOTRELEASE)\"; \ 1264 echo \#define U_BOOT_VERSION \"U-Boot \" PLAIN_VERSION; \ 1265 echo \#define CC_VERSION_STRING \"$$($(CC) --version | head -n 1)\"; \ 1266 echo \#define LD_VERSION_STRING \"$$($(LD) --version | head -n 1)\"; ) 1267endef 1268 1269# The SOURCE_DATE_EPOCH mechanism requires a date that behaves like GNU date. 1270# The BSD date on the other hand behaves different and would produce errors 1271# with the misused '-d' switch. Respect that and search a working date with 1272# well known pre- and suffixes for the GNU variant of date. 1273define filechk_timestamp.h 1274 (if test -n "$${SOURCE_DATE_EPOCH}"; then \ 1275 SOURCE_DATE="@$${SOURCE_DATE_EPOCH}"; \ 1276 DATE=""; \ 1277 for date in gdate date.gnu date; do \ 1278 $${date} -u -d "$${SOURCE_DATE}" >/dev/null 2>&1 && DATE="$${date}"; \ 1279 done; \ 1280 if test -n "$${DATE}"; then \ 1281 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_DATE "%b %d %C%y"'; \ 1282 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_TIME "%T"'; \ 1283 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_TZ "%z"'; \ 1284 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_DMI_DATE "%m/%d/%Y"'; \ 1285 else \ 1286 return 42; \ 1287 fi; \ 1288 else \ 1289 LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"'; \ 1290 LC_ALL=C date +'#define U_BOOT_TIME "%T"'; \ 1291 LC_ALL=C date +'#define U_BOOT_TZ "%z"'; \ 1292 LC_ALL=C date +'#define U_BOOT_DMI_DATE "%m/%d/%Y"'; \ 1293 fi) 1294endef 1295 1296$(version_h): include/config/uboot.release FORCE 1297 $(call filechk,version.h) 1298 1299$(timestamp_h): $(srctree)/Makefile FORCE 1300 $(call filechk,timestamp.h) 1301 1302# --------------------------------------------------------------------------- 1303quiet_cmd_cpp_lds = LDS $@ 1304cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \ 1305 -D__ASSEMBLY__ -x assembler-with-cpp -P -o $@ $< 1306 1307u-boot.lds: $(LDSCRIPT) prepare FORCE 1308 $(call if_changed_dep,cpp_lds) 1309 1310spl/u-boot-spl.bin: spl/u-boot-spl 1311 @: 1312spl/u-boot-spl: tools prepare $(if $(CONFIG_OF_SEPARATE),dts/dt.dtb) 1313 $(Q)$(MAKE) obj=spl -f $(srctree)/scripts/Makefile.spl all 1314 1315spl/sunxi-spl.bin: spl/u-boot-spl 1316 @: 1317 1318spl/u-boot-spl.sfp: spl/u-boot-spl 1319 @: 1320 1321spl/boot.bin: spl/u-boot-spl 1322 @: 1323 1324tpl/u-boot-tpl.bin: tools prepare 1325 $(Q)$(MAKE) obj=tpl -f $(srctree)/scripts/Makefile.spl all 1326 1327TAG_SUBDIRS := $(patsubst %,$(srctree)/%,$(u-boot-dirs) include) 1328 1329FIND := find 1330FINDFLAGS := -L 1331 1332tags ctags: 1333 ctags -w -o ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 1334 -name '*.[chS]' -print` 1335 ln -s ctags tags 1336 1337etags: 1338 etags -a -o etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 1339 -name '*.[chS]' -print` 1340cscope: 1341 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \ 1342 cscope.files 1343 cscope -b -q -k 1344 1345SYSTEM_MAP = \ 1346 $(NM) $1 | \ 1347 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \ 1348 LC_ALL=C sort 1349System.map: u-boot 1350 @$(call SYSTEM_MAP,$<) > $@ 1351 1352checkdtc: 1353 @if test $(call dtc-version) -lt 0104; then \ 1354 echo '*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \ 1355 false; \ 1356 fi 1357 1358######################################################################### 1359 1360# ARM relocations should all be R_ARM_RELATIVE (32-bit) or 1361# R_AARCH64_RELATIVE (64-bit). 1362checkarmreloc: u-boot 1363 @RELOC="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \ 1364 grep R_A | sort -u`"; \ 1365 if test "$$RELOC" != "R_ARM_RELATIVE" -a \ 1366 "$$RELOC" != "R_AARCH64_RELATIVE"; then \ 1367 echo "$< contains unexpected relocations: $$RELOC"; \ 1368 false; \ 1369 fi 1370 1371env: scripts_basic 1372 $(Q)$(MAKE) $(build)=tools/$@ 1373 1374tools-only: scripts_basic $(version_h) $(timestamp_h) 1375 $(Q)$(MAKE) $(build)=tools 1376 1377tools-all: export HOST_TOOLS_ALL=y 1378tools-all: env tools ; 1379 1380cross_tools: export CROSS_BUILD_TOOLS=y 1381cross_tools: tools ; 1382 1383.PHONY : CHANGELOG 1384CHANGELOG: 1385 git log --no-merges U-Boot-1_1_5.. | \ 1386 unexpand -a | sed -e 's/\s\s*$$//' > $@ 1387 1388include/license.h: tools/bin2header COPYING 1389 cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h 1390######################################################################### 1391 1392### 1393# Cleaning is done on three levels. 1394# make clean Delete most generated files 1395# Leave enough to build external modules 1396# make mrproper Delete the current configuration, and all generated files 1397# make distclean Remove editor backup files, patch leftover files and the like 1398 1399# Directories & files removed with 'make clean' 1400CLEAN_DIRS += $(MODVERDIR) \ 1401 $(foreach d, spl tpl, $(patsubst %,$d/%, \ 1402 $(filter-out include, $(shell ls -1 $d 2>/dev/null)))) 1403 1404CLEAN_FILES += include/bmp_logo.h include/bmp_logo_data.h \ 1405 boot* u-boot* MLO* SPL System.map 1406 1407# Directories & files removed with 'make mrproper' 1408MRPROPER_DIRS += include/config include/generated spl tpl \ 1409 .tmp_objdiff 1410MRPROPER_FILES += .config .config.old include/autoconf.mk* include/config.h \ 1411 ctags etags TAGS cscope* GPATH GTAGS GRTAGS GSYMS 1412 1413# clean - Delete most, but leave enough to build external modules 1414# 1415clean: rm-dirs := $(CLEAN_DIRS) 1416clean: rm-files := $(CLEAN_FILES) 1417 1418clean-dirs := $(foreach f,$(u-boot-alldirs),$(if $(wildcard $(srctree)/$f/Makefile),$f)) 1419 1420clean-dirs := $(addprefix _clean_, $(clean-dirs) doc/DocBook) 1421 1422PHONY += $(clean-dirs) clean archclean 1423$(clean-dirs): 1424 $(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@) 1425 1426# TODO: Do not use *.cfgtmp 1427clean: $(clean-dirs) 1428 $(call cmd,rmdirs) 1429 $(call cmd,rmfiles) 1430 @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \ 1431 \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \ 1432 -o -name '*.ko.*' -o -name '*.su' -o -name '*.cfgtmp' \ 1433 -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \ 1434 -o -name '*.symtypes' -o -name 'modules.order' \ 1435 -o -name modules.builtin -o -name '.tmp_*.o.*' \ 1436 -o -name '*.gcno' \) -type f -print | xargs rm -f 1437 1438# mrproper - Delete all generated files, including .config 1439# 1440mrproper: rm-dirs := $(wildcard $(MRPROPER_DIRS)) 1441mrproper: rm-files := $(wildcard $(MRPROPER_FILES)) 1442mrproper-dirs := $(addprefix _mrproper_,scripts) 1443 1444PHONY += $(mrproper-dirs) mrproper archmrproper 1445$(mrproper-dirs): 1446 $(Q)$(MAKE) $(clean)=$(patsubst _mrproper_%,%,$@) 1447 1448mrproper: clean $(mrproper-dirs) 1449 $(call cmd,rmdirs) 1450 $(call cmd,rmfiles) 1451 @rm -f arch/*/include/asm/arch 1452 1453# distclean 1454# 1455PHONY += distclean 1456 1457distclean: mrproper 1458 @find $(srctree) $(RCS_FIND_IGNORE) \ 1459 \( -name '*.orig' -o -name '*.rej' -o -name '*~' \ 1460 -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \ 1461 -o -name '.*.rej' -o -name '*%' -o -name 'core' \ 1462 -o -name '*.pyc' \) \ 1463 -type f -print | xargs rm -f 1464 @rm -f boards.cfg 1465 1466backup: 1467 F=`basename $(srctree)` ; cd .. ; \ 1468 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F 1469 1470help: 1471 @echo 'Cleaning targets:' 1472 @echo ' clean - Remove most generated files but keep the config' 1473 @echo ' mrproper - Remove all generated files + config + various backup files' 1474 @echo ' distclean - mrproper + remove editor backup and patch files' 1475 @echo '' 1476 @echo 'Configuration targets:' 1477 @$(MAKE) -f $(srctree)/scripts/kconfig/Makefile help 1478 @echo '' 1479 @echo 'Other generic targets:' 1480 @echo ' all - Build all necessary images depending on configuration' 1481 @echo '* u-boot - Build the bare u-boot' 1482 @echo ' dir/ - Build all files in dir and below' 1483 @echo ' dir/file.[oisS] - Build specified target only' 1484 @echo ' dir/file.lst - Build specified mixed source/assembly target only' 1485 @echo ' (requires a recent binutils and recent build (System.map))' 1486 @echo ' tags/ctags - Generate ctags file for editors' 1487 @echo ' etags - Generate etags file for editors' 1488 @echo ' cscope - Generate cscope index' 1489 @echo ' ubootrelease - Output the release version string (use with make -s)' 1490 @echo ' ubootversion - Output the version stored in Makefile (use with make -s)' 1491 @echo '' 1492 @echo 'Static analysers' 1493 @echo ' checkstack - Generate a list of stack hogs' 1494 @echo '' 1495 @echo 'Documentation targets:' 1496 @$(MAKE) -f $(srctree)/doc/DocBook/Makefile dochelp 1497 @echo '' 1498 @echo ' make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build' 1499 @echo ' make V=2 [targets] 2 => give reason for rebuild of target' 1500 @echo ' make O=dir [targets] Locate all output files in "dir", including .config' 1501 @echo ' make C=1 [targets] Check all c source with $$CHECK (sparse by default)' 1502 @echo ' make C=2 [targets] Force check of all c source with $$CHECK' 1503 @echo ' make RECORDMCOUNT_WARN=1 [targets] Warn about ignored mcount sections' 1504 @echo ' make W=n [targets] Enable extra gcc checks, n=1,2,3 where' 1505 @echo ' 1: warnings which may be relevant and do not occur too often' 1506 @echo ' 2: warnings which occur quite often but may still be relevant' 1507 @echo ' 3: more obscure warnings, can most likely be ignored' 1508 @echo ' Multiple levels can be combined with W=12 or W=123' 1509 @echo '' 1510 @echo 'Execute "make" or "make all" to build all targets marked with [*] ' 1511 @echo 'For further info see the ./README file' 1512 1513 1514# Documentation targets 1515# --------------------------------------------------------------------------- 1516%docs: scripts_basic FORCE 1517 $(Q)$(MAKE) $(build)=scripts build_docproc 1518 $(Q)$(MAKE) $(build)=doc/DocBook $@ 1519 1520# Dummies... 1521PHONY += prepare scripts 1522prepare: ; 1523scripts: ; 1524 1525endif #ifeq ($(config-targets),1) 1526endif #ifeq ($(mixed-targets),1) 1527 1528PHONY += checkstack ubootrelease ubootversion 1529 1530checkstack: 1531 $(OBJDUMP) -d u-boot $$(find . -name u-boot-spl) | \ 1532 $(PERL) $(src)/scripts/checkstack.pl $(ARCH) 1533 1534ubootrelease: 1535 @echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" 1536 1537ubootversion: 1538 @echo $(UBOOTVERSION) 1539 1540# Single targets 1541# --------------------------------------------------------------------------- 1542# Single targets are compatible with: 1543# - build with mixed source and output 1544# - build with separate output dir 'make O=...' 1545# - external modules 1546# 1547# target-dir => where to store outputfile 1548# build-dir => directory in kernel source tree to use 1549 1550ifeq ($(KBUILD_EXTMOD),) 1551 build-dir = $(patsubst %/,%,$(dir $@)) 1552 target-dir = $(dir $@) 1553else 1554 zap-slash=$(filter-out .,$(patsubst %/,%,$(dir $@))) 1555 build-dir = $(KBUILD_EXTMOD)$(if $(zap-slash),/$(zap-slash)) 1556 target-dir = $(if $(KBUILD_EXTMOD),$(dir $<),$(dir $@)) 1557endif 1558 1559%.s: %.c prepare scripts FORCE 1560 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1561%.i: %.c prepare scripts FORCE 1562 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1563%.o: %.c prepare scripts FORCE 1564 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1565%.lst: %.c prepare scripts FORCE 1566 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1567%.s: %.S prepare scripts FORCE 1568 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1569%.o: %.S prepare scripts FORCE 1570 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1571%.symtypes: %.c prepare scripts FORCE 1572 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1573 1574# Modules 1575/: prepare scripts FORCE 1576 $(cmd_crmodverdir) 1577 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 1578 $(build)=$(build-dir) 1579%/: prepare scripts FORCE 1580 $(cmd_crmodverdir) 1581 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 1582 $(build)=$(build-dir) 1583%.ko: prepare scripts FORCE 1584 $(cmd_crmodverdir) 1585 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 1586 $(build)=$(build-dir) $(@:.ko=.o) 1587 $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost 1588 1589# FIXME Should go into a make.lib or something 1590# =========================================================================== 1591 1592quiet_cmd_rmdirs = $(if $(wildcard $(rm-dirs)),CLEAN $(wildcard $(rm-dirs))) 1593 cmd_rmdirs = rm -rf $(rm-dirs) 1594 1595quiet_cmd_rmfiles = $(if $(wildcard $(rm-files)),CLEAN $(wildcard $(rm-files))) 1596 cmd_rmfiles = rm -f $(rm-files) 1597 1598# read all saved command lines 1599 1600targets := $(wildcard $(sort $(targets))) 1601cmd_files := $(wildcard .*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd)) 1602 1603ifneq ($(cmd_files),) 1604 $(cmd_files): ; # Do not try to update included dependency files 1605 include $(cmd_files) 1606endif 1607 1608endif # skip-makefile 1609 1610PHONY += FORCE 1611FORCE: 1612 1613# Declare the contents of the .PHONY variable as phony. We keep that 1614# information in a variable so we can use it in if_changed and friends. 1615.PHONY: $(PHONY) 1616