1# 2# SPDX-License-Identifier: GPL-2.0+ 3# 4 5VERSION = 2016 6PATCHLEVEL = 07 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 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/common/ 652libs-y += drivers/usb/emul/ 653libs-y += drivers/usb/eth/ 654libs-y += drivers/usb/gadget/ 655libs-y += drivers/usb/gadget/udc/ 656libs-y += drivers/usb/host/ 657libs-y += drivers/usb/musb/ 658libs-y += drivers/usb/musb-new/ 659libs-y += drivers/usb/phy/ 660libs-y += drivers/usb/ulpi/ 661libs-y += cmd/ 662libs-y += common/ 663libs-$(CONFIG_API) += api/ 664libs-$(CONFIG_HAS_POST) += post/ 665libs-y += test/ 666libs-y += test/dm/ 667libs-$(CONFIG_UT_ENV) += test/env/ 668 669libs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/) 670 671libs-y := $(sort $(libs-y)) 672 673u-boot-dirs := $(patsubst %/,%,$(filter %/, $(libs-y))) tools examples 674 675u-boot-alldirs := $(sort $(u-boot-dirs) $(patsubst %/,%,$(filter %/, $(libs-)))) 676 677libs-y := $(patsubst %/, %/built-in.o, $(libs-y)) 678 679u-boot-init := $(head-y) 680u-boot-main := $(libs-y) 681 682 683# Add GCC lib 684ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y) 685PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a 686else 687PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(c_flags) -print-libgcc-file-name`) -lgcc 688endif 689PLATFORM_LIBS += $(PLATFORM_LIBGCC) 690export PLATFORM_LIBS 691export PLATFORM_LIBGCC 692 693# Special flags for CPP when processing the linker script. 694# Pass the version down so we can handle backwards compatibility 695# on the fly. 696LDPPFLAGS += \ 697 -include $(srctree)/include/u-boot/u-boot.lds.h \ 698 -DCPUDIR=$(CPUDIR) \ 699 $(shell $(LD) --version | \ 700 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 701 702######################################################################### 703######################################################################### 704 705ifneq ($(CONFIG_BOARD_SIZE_LIMIT),) 706BOARD_SIZE_CHECK = \ 707 @actual=`wc -c $@ | awk '{print $$1}'`; \ 708 limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \ 709 if test $$actual -gt $$limit; then \ 710 echo "$@ exceeds file size limit:" >&2 ; \ 711 echo " limit: $$limit bytes" >&2 ; \ 712 echo " actual: $$actual bytes" >&2 ; \ 713 echo " excess: $$((actual - limit)) bytes" >&2; \ 714 exit 1; \ 715 fi 716else 717BOARD_SIZE_CHECK = 718endif 719 720# Statically apply RELA-style relocations (currently arm64 only) 721ifneq ($(CONFIG_STATIC_RELA),) 722# $(1) is u-boot ELF, $(2) is u-boot bin, $(3) is text base 723DO_STATIC_RELA = \ 724 start=$$($(NM) $(1) | grep __rel_dyn_start | cut -f 1 -d ' '); \ 725 end=$$($(NM) $(1) | grep __rel_dyn_end | cut -f 1 -d ' '); \ 726 tools/relocate-rela $(2) $(3) $$start $$end 727else 728DO_STATIC_RELA = 729endif 730 731# Always append ALL so that arch config.mk's can add custom ones 732ALL-y += u-boot.srec u-boot.bin u-boot.sym System.map u-boot.cfg binary_size_check 733 734ALL-$(CONFIG_ONENAND_U_BOOT) += u-boot-onenand.bin 735ifeq ($(CONFIG_SPL_FSL_PBL),y) 736ALL-$(CONFIG_RAMBOOT_PBL) += u-boot-with-spl-pbl.bin 737else 738ifneq ($(CONFIG_SECURE_BOOT), y) 739# For Secure Boot The Image needs to be signed and Header must also 740# be included. So The image has to be built explicitly 741ALL-$(CONFIG_RAMBOOT_PBL) += u-boot.pbl 742endif 743endif 744ALL-$(CONFIG_SPL) += spl/u-boot-spl.bin 745ALL-$(CONFIG_SPL_FRAMEWORK) += u-boot.img 746ALL-$(CONFIG_TPL) += tpl/u-boot-tpl.bin 747ALL-$(CONFIG_OF_SEPARATE) += u-boot.dtb 748ifeq ($(CONFIG_SPL_FRAMEWORK),y) 749ALL-$(CONFIG_OF_SEPARATE) += u-boot-dtb.img 750endif 751ALL-$(CONFIG_OF_HOSTFILE) += u-boot.dtb 752ifneq ($(CONFIG_SPL_TARGET),) 753ALL-$(CONFIG_SPL) += $(CONFIG_SPL_TARGET:"%"=%) 754endif 755ALL-$(CONFIG_REMAKE_ELF) += u-boot.elf 756ALL-$(CONFIG_EFI_APP) += u-boot-app.efi 757ALL-$(CONFIG_EFI_STUB) += u-boot-payload.efi 758 759ifneq ($(BUILD_ROM),) 760ALL-$(CONFIG_X86_RESET_VECTOR) += u-boot.rom 761endif 762 763# enable combined SPL/u-boot/dtb rules for tegra 764ifeq ($(CONFIG_TEGRA)$(CONFIG_SPL),yy) 765ALL-y += u-boot-tegra.bin u-boot-nodtb-tegra.bin 766ALL-$(CONFIG_OF_SEPARATE) += u-boot-dtb-tegra.bin 767endif 768 769# Add optional build target if defined in board/cpu/soc headers 770ifneq ($(CONFIG_BUILD_TARGET),) 771ALL-y += $(CONFIG_BUILD_TARGET:"%"=%) 772endif 773 774LDFLAGS_u-boot += $(LDFLAGS_FINAL) 775ifneq ($(CONFIG_SYS_TEXT_BASE),) 776LDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE) 777endif 778 779# Normally we fill empty space with 0xff 780quiet_cmd_objcopy = OBJCOPY $@ 781cmd_objcopy = $(OBJCOPY) --gap-fill=0xff $(OBJCOPYFLAGS) \ 782 $(OBJCOPYFLAGS_$(@F)) $< $@ 783 784# Provide a version which does not do this, for use by EFI 785quiet_cmd_zobjcopy = OBJCOPY $@ 786cmd_zobjcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@ 787 788quiet_cmd_efipayload = OBJCOPY $@ 789cmd_efipayload = $(OBJCOPY) -I binary -O $(EFIPAYLOAD_BFDTARGET) -B $(EFIPAYLOAD_BFDARCH) $< $@ 790 791quiet_cmd_mkimage = MKIMAGE $@ 792cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \ 793 $(if $(KBUILD_VERBOSE:1=), >/dev/null) 794 795quiet_cmd_cat = CAT $@ 796cmd_cat = cat $(filter-out $(PHONY), $^) > $@ 797 798append = cat $(filter-out $< $(PHONY), $^) >> $@ 799 800quiet_cmd_pad_cat = CAT $@ 801cmd_pad_cat = $(cmd_objcopy) && $(append) || rm -f $@ 802 803all: $(ALL-y) 804ifeq ($(CONFIG_DM_I2C_COMPAT),y) 805 @echo "===================== WARNING ======================" 806 @echo "This board uses CONFIG_DM_I2C_COMPAT. Please remove" 807 @echo "(possibly in a subsequent patch in your series)" 808 @echo "before sending patches to the mailing list." 809 @echo "====================================================" 810endif 811 812PHONY += dtbs 813dtbs: dts/dt.dtb 814 @: 815dts/dt.dtb: checkdtc u-boot 816 $(Q)$(MAKE) $(build)=dts dtbs 817 818quiet_cmd_copy = COPY $@ 819 cmd_copy = cp $< $@ 820 821ifeq ($(CONFIG_OF_SEPARATE),y) 822u-boot-dtb.bin: u-boot-nodtb.bin dts/dt.dtb FORCE 823 $(call if_changed,cat) 824 825u-boot.bin: u-boot-dtb.bin FORCE 826 $(call if_changed,copy) 827else 828u-boot.bin: u-boot-nodtb.bin FORCE 829 $(call if_changed,copy) 830endif 831 832%.imx: %.bin 833 $(Q)$(MAKE) $(build)=arch/arm/imx-common $@ 834 835u-boot.dtb: dts/dt.dtb 836 $(call cmd,copy) 837 838OBJCOPYFLAGS_u-boot.hex := -O ihex 839 840OBJCOPYFLAGS_u-boot.srec := -O srec 841 842u-boot.hex u-boot.srec: u-boot FORCE 843 $(call if_changed,objcopy) 844 845OBJCOPYFLAGS_u-boot-nodtb.bin := -O binary \ 846 $(if $(CONFIG_X86_RESET_VECTOR),-R .start16 -R .resetvec) 847 848binary_size_check: u-boot-nodtb.bin FORCE 849 @file_size=$(shell wc -c u-boot-nodtb.bin | awk '{print $$1}') ; \ 850 map_size=$(shell cat u-boot.map | \ 851 awk '/_image_copy_start/ {start = $$1} /_image_binary_end/ {end = $$1} END {if (start != "" && end != "") print "ibase=16; " toupper(end) " - " toupper(start)}' \ 852 | sed 's/0X//g' \ 853 | bc); \ 854 if [ "" != "$$map_size" ]; then \ 855 if test $$map_size -ne $$file_size; then \ 856 echo "u-boot.map shows a binary size of $$map_size" >&2 ; \ 857 echo " but u-boot-nodtb.bin shows $$file_size" >&2 ; \ 858 exit 1; \ 859 fi \ 860 fi 861 862u-boot-nodtb.bin: u-boot FORCE 863 $(call if_changed,objcopy) 864 $(call DO_STATIC_RELA,$<,$@,$(CONFIG_SYS_TEXT_BASE)) 865 $(BOARD_SIZE_CHECK) 866 867u-boot.ldr: u-boot 868 $(CREATE_LDR_ENV) 869 $(LDR) -T $(CONFIG_CPU) -c $@ $< $(LDR_FLAGS) 870 $(BOARD_SIZE_CHECK) 871 872OBJCOPYFLAGS_u-boot.ldr.hex := -I binary -O ihex 873 874OBJCOPYFLAGS_u-boot.ldr.srec := -I binary -O srec 875 876u-boot.ldr.hex u-boot.ldr.srec: u-boot.ldr FORCE 877 $(call if_changed,objcopy) 878 879# 880# U-Boot entry point, needed for booting of full-blown U-Boot 881# from the SPL U-Boot version. 882# 883ifndef CONFIG_SYS_UBOOT_START 884CONFIG_SYS_UBOOT_START := 0 885endif 886 887# Create a file containing the configuration options the image was built with 888quiet_cmd_cpp_cfg = CFG $@ 889cmd_cpp_cfg = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \ 890 -DDO_DEPS_ONLY -D__ASSEMBLY__ -x assembler-with-cpp -P -dM -E -o $@ $< 891 892ifdef CONFIG_SPL_LOAD_FIT 893MKIMAGEFLAGS_u-boot.img = -f auto -A $(ARCH) -T firmware -C none -O u-boot \ 894 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \ 895 -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board" -E \ 896 $(patsubst %,-b arch/$(ARCH)/dts/%.dtb,$(subst ",,$(CONFIG_OF_LIST))) 897else 898MKIMAGEFLAGS_u-boot.img = -A $(ARCH) -T firmware -C none -O u-boot \ 899 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \ 900 -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board" 901endif 902 903MKIMAGEFLAGS_u-boot-dtb.img = $(MKIMAGEFLAGS_u-boot.img) 904 905MKIMAGEFLAGS_u-boot.kwb = -n $(srctree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%) \ 906 -T kwbimage -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) 907 908MKIMAGEFLAGS_u-boot-spl.kwb = -n $(srctree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%) \ 909 -T kwbimage -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) 910 911MKIMAGEFLAGS_u-boot.pbl = -n $(srctree)/$(CONFIG_SYS_FSL_PBL_RCW:"%"=%) \ 912 -R $(srctree)/$(CONFIG_SYS_FSL_PBL_PBI:"%"=%) -T pblimage 913 914u-boot-dtb.img u-boot.img u-boot.kwb u-boot.pbl: \ 915 $(if $(CONFIG_SPL_LOAD_FIT),u-boot-nodtb.bin dts/dt.dtb,u-boot.bin) FORCE 916 $(call if_changed,mkimage) 917 918u-boot-spl.kwb: u-boot.img spl/u-boot-spl.bin FORCE 919 $(call if_changed,mkimage) 920 921u-boot.sha1: u-boot.bin 922 tools/ubsha1 u-boot.bin 923 924u-boot.dis: u-boot 925 $(OBJDUMP) -d $< > $@ 926 927u-boot.cfg: include/config.h FORCE 928 $(call if_changed,cpp_cfg) 929 930ifdef CONFIG_TPL 931SPL_PAYLOAD := tpl/u-boot-with-tpl.bin 932else 933SPL_PAYLOAD := u-boot.bin 934endif 935 936OBJCOPYFLAGS_u-boot-with-spl.bin = -I binary -O binary \ 937 --pad-to=$(CONFIG_SPL_PAD_TO) 938u-boot-with-spl.bin: spl/u-boot-spl.bin $(SPL_PAYLOAD) FORCE 939 $(call if_changed,pad_cat) 940 941MKIMAGEFLAGS_lpc32xx-spl.img = -T lpc32xximage -a $(CONFIG_SPL_TEXT_BASE) 942 943lpc32xx-spl.img: spl/u-boot-spl.bin FORCE 944 $(call if_changed,mkimage) 945 946OBJCOPYFLAGS_lpc32xx-boot-0.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) 947 948lpc32xx-boot-0.bin: lpc32xx-spl.img FORCE 949 $(call if_changed,objcopy) 950 951OBJCOPYFLAGS_lpc32xx-boot-1.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) 952 953lpc32xx-boot-1.bin: lpc32xx-spl.img FORCE 954 $(call if_changed,objcopy) 955 956lpc32xx-full.bin: lpc32xx-boot-0.bin lpc32xx-boot-1.bin u-boot.img FORCE 957 $(call if_changed,cat) 958 959CLEAN_FILES += lpc32xx-* 960 961OBJCOPYFLAGS_u-boot-with-tpl.bin = -I binary -O binary \ 962 --pad-to=$(CONFIG_TPL_PAD_TO) 963tpl/u-boot-with-tpl.bin: tpl/u-boot-tpl.bin u-boot.bin FORCE 964 $(call if_changed,pad_cat) 965 966SPL: spl/u-boot-spl.bin FORCE 967 $(Q)$(MAKE) $(build)=arch/arm/imx-common $@ 968 969u-boot-with-spl.imx u-boot-with-nand-spl.imx: SPL u-boot.bin FORCE 970 $(Q)$(MAKE) $(build)=arch/arm/imx-common $@ 971 972MKIMAGEFLAGS_u-boot.ubl = -n $(UBL_CONFIG) -T ublimage -e $(CONFIG_SYS_TEXT_BASE) 973 974u-boot.ubl: u-boot-with-spl.bin FORCE 975 $(call if_changed,mkimage) 976 977MKIMAGEFLAGS_u-boot-spl.ais = -s -n $(if $(CONFIG_AIS_CONFIG_FILE), \ 978 $(srctree)/$(CONFIG_AIS_CONFIG_FILE:"%"=%),"/dev/null") \ 979 -T aisimage -e $(CONFIG_SPL_TEXT_BASE) 980spl/u-boot-spl.ais: spl/u-boot-spl.bin FORCE 981 $(call if_changed,mkimage) 982 983OBJCOPYFLAGS_u-boot.ais = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) 984u-boot.ais: spl/u-boot-spl.ais u-boot.img FORCE 985 $(call if_changed,pad_cat) 986 987u-boot-signed.sb: u-boot.bin spl/u-boot-spl.bin 988 $(Q)$(MAKE) $(build)=arch/arm/cpu/arm926ejs/mxs u-boot-signed.sb 989u-boot.sb: u-boot.bin spl/u-boot-spl.bin 990 $(Q)$(MAKE) $(build)=arch/arm/cpu/arm926ejs/mxs u-boot.sb 991 992# On x600 (SPEAr600) U-Boot is appended to U-Boot SPL. 993# Both images are created using mkimage (crc etc), so that the ROM 994# bootloader can check its integrity. Padding needs to be done to the 995# SPL image (with mkimage header) and not the binary. Otherwise the resulting image 996# which is loaded/copied by the ROM bootloader to SRAM doesn't fit. 997# The resulting image containing both U-Boot images is called u-boot.spr 998MKIMAGEFLAGS_u-boot-spl.img = -A $(ARCH) -T firmware -C none \ 999 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER 1000spl/u-boot-spl.img: spl/u-boot-spl.bin FORCE
1001 $(call if_changed,mkimage) 1002 1003OBJCOPYFLAGS_u-boot.spr = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) \ 1004 --gap-fill=0xff 1005u-boot.spr: spl/u-boot-spl.img u-boot.img FORCE 1006 $(call if_changed,pad_cat) 1007 1008ifneq ($(CONFIG_ARCH_SOCFPGA),) 1009quiet_cmd_socboot = SOCBOOT $@ 1010cmd_socboot = cat spl/u-boot-spl.sfp spl/u-boot-spl.sfp \ 1011 spl/u-boot-spl.sfp spl/u-boot-spl.sfp \ 1012 u-boot.img > $@ || rm -f $@ 1013u-boot-with-spl.sfp: spl/u-boot-spl.sfp u-boot.img FORCE 1014 $(call if_changed,socboot) 1015endif 1016 1017# x86 uses a large ROM. We fill it with 0xff, put the 16-bit stuff (including 1018# reset vector) at the top, Intel ME descriptor at the bottom, and U-Boot in 1019# the middle. 1020ifneq ($(CONFIG_X86_RESET_VECTOR),) 1021rom: u-boot.rom FORCE 1022 1023IFDTOOL=$(objtree)/tools/ifdtool 1024IFDTOOL_FLAGS = -f 0:$(objtree)/u-boot.dtb 1025IFDTOOL_FLAGS += -m 0x$(shell $(NM) u-boot |grep _dt_ucode_base_size |cut -d' ' -f1) 1026IFDTOOL_FLAGS += -U $(CONFIG_SYS_TEXT_BASE):$(objtree)/u-boot-nodtb.bin 1027IFDTOOL_FLAGS += -w $(CONFIG_SYS_X86_START16):$(objtree)/u-boot-x86-16bit.bin 1028IFDTOOL_FLAGS += -C 1029 1030ifneq ($(CONFIG_HAVE_INTEL_ME),) 1031IFDTOOL_ME_FLAGS = -D $(srctree)/board/$(BOARDDIR)/descriptor.bin 1032IFDTOOL_ME_FLAGS += -i ME:$(srctree)/board/$(BOARDDIR)/me.bin 1033endif 1034 1035ifneq ($(CONFIG_HAVE_MRC),) 1036IFDTOOL_FLAGS += -w $(CONFIG_X86_MRC_ADDR):$(srctree)/board/$(BOARDDIR)/mrc.bin 1037endif 1038 1039ifneq ($(CONFIG_HAVE_FSP),) 1040IFDTOOL_FLAGS += -w $(CONFIG_FSP_ADDR):$(srctree)/board/$(BOARDDIR)/$(CONFIG_FSP_FILE) 1041endif 1042 1043ifneq ($(CONFIG_HAVE_CMC),) 1044IFDTOOL_FLAGS += -w $(CONFIG_CMC_ADDR):$(srctree)/board/$(BOARDDIR)/$(CONFIG_CMC_FILE) 1045endif 1046 1047ifneq ($(CONFIG_HAVE_VGA_BIOS),) 1048IFDTOOL_FLAGS += -w $(CONFIG_VGA_BIOS_ADDR):$(srctree)/board/$(BOARDDIR)/$(CONFIG_VGA_BIOS_FILE) 1049endif 1050 1051ifneq ($(CONFIG_HAVE_REFCODE),) 1052IFDTOOL_FLAGS += -w $(CONFIG_X86_REFCODE_ADDR):refcode.bin 1053endif 1054 1055quiet_cmd_ifdtool = IFDTOOL $@ 1056cmd_ifdtool = $(IFDTOOL) -c -r $(CONFIG_ROM_SIZE) u-boot.tmp; 1057ifneq ($(CONFIG_HAVE_INTEL_ME),) 1058cmd_ifdtool += $(IFDTOOL) $(IFDTOOL_ME_FLAGS) u-boot.tmp; 1059endif 1060cmd_ifdtool += $(IFDTOOL) $(IFDTOOL_FLAGS) u-boot.tmp; 1061cmd_ifdtool += mv u-boot.tmp $@ 1062 1063refcode.bin: $(srctree)/board/$(BOARDDIR)/refcode.bin FORCE 1064 $(call if_changed,copy) 1065 1066quiet_cmd_ldr = LD $@ 1067cmd_ldr = $(LD) $(LDFLAGS_$(@F)) \ 1068 $(filter-out FORCE,$^) -o $@ 1069 1070u-boot.rom: u-boot-x86-16bit.bin u-boot.bin FORCE \ 1071 $(if $(CONFIG_HAVE_REFCODE),refcode.bin) 1072 $(call if_changed,ifdtool) 1073 1074OBJCOPYFLAGS_u-boot-x86-16bit.bin := -O binary -j .start16 -j .resetvec 1075u-boot-x86-16bit.bin: u-boot FORCE 1076 $(call if_changed,objcopy) 1077endif 1078 1079ifneq ($(CONFIG_SUNXI),) 1080OBJCOPYFLAGS_u-boot-sunxi-with-spl.bin = -I binary -O binary \ 1081 --pad-to=$(CONFIG_SPL_PAD_TO) --gap-fill=0xff 1082u-boot-sunxi-with-spl.bin: spl/sunxi-spl.bin u-boot.img FORCE 1083 $(call if_changed,pad_cat) 1084endif 1085 1086ifneq ($(CONFIG_TEGRA),) 1087OBJCOPYFLAGS_u-boot-nodtb-tegra.bin = -O binary --pad-to=$(CONFIG_SYS_TEXT_BASE) 1088u-boot-nodtb-tegra.bin: spl/u-boot-spl u-boot-nodtb.bin FORCE 1089 $(call if_changed,pad_cat) 1090 1091OBJCOPYFLAGS_u-boot-tegra.bin = -O binary --pad-to=$(CONFIG_SYS_TEXT_BASE) 1092u-boot-tegra.bin: spl/u-boot-spl u-boot.bin FORCE 1093 $(call if_changed,pad_cat) 1094 1095u-boot-dtb-tegra.bin: u-boot-tegra.bin FORCE 1096 $(call if_changed,copy) 1097endif 1098 1099OBJCOPYFLAGS_u-boot-app.efi := $(OBJCOPYFLAGS_EFI) 1100u-boot-app.efi: u-boot FORCE 1101 $(call if_changed,zobjcopy) 1102 1103u-boot.bin.o: u-boot.bin FORCE 1104 $(call if_changed,efipayload) 1105 1106u-boot-payload.lds: $(LDSCRIPT_EFI) FORCE 1107 $(call if_changed_dep,cpp_lds) 1108 1109# Rule to link the EFI payload which contains a stub and a U-Boot binary 1110quiet_cmd_u-boot_payload ?= LD $@ 1111 cmd_u-boot_payload ?= $(LD) $(LDFLAGS_EFI_PAYLOAD) -o $@ \ 1112 -T u-boot-payload.lds arch/x86/cpu/call32.o \ 1113 lib/efi/efi.o lib/efi/efi_stub.o u-boot.bin.o \ 1114 $(addprefix arch/$(ARCH)/lib/efi/,$(EFISTUB)) 1115 1116u-boot-payload: u-boot.bin.o u-boot-payload.lds FORCE 1117 $(call if_changed,u-boot_payload) 1118 1119OBJCOPYFLAGS_u-boot-payload.efi := $(OBJCOPYFLAGS_EFI) 1120u-boot-payload.efi: u-boot-payload FORCE 1121 $(call if_changed,zobjcopy) 1122 1123u-boot-img.bin: spl/u-boot-spl.bin u-boot.img FORCE 1124 $(call if_changed,cat) 1125 1126#Add a target to create boot binary having SPL binary in PBI format 1127#concatenated with u-boot binary. It is need by PowerPC SoC having 1128#internal SRAM <= 512KB. 1129MKIMAGEFLAGS_u-boot-spl.pbl = -n $(srctree)/$(CONFIG_SYS_FSL_PBL_RCW:"%"=%) \ 1130 -R $(srctree)/$(CONFIG_SYS_FSL_PBL_PBI:"%"=%) -T pblimage \ 1131 -A $(ARCH) -a $(CONFIG_SPL_TEXT_BASE) 1132 1133spl/u-boot-spl.pbl: spl/u-boot-spl.bin FORCE 1134 $(call if_changed,mkimage) 1135 1136ifeq ($(ARCH),arm) 1137UBOOT_BINLOAD := u-boot.img 1138else 1139UBOOT_BINLOAD := u-boot.bin 1140endif 1141 1142OBJCOPYFLAGS_u-boot-with-spl-pbl.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) \ 1143 --gap-fill=0xff 1144 1145u-boot-with-spl-pbl.bin: spl/u-boot-spl.pbl $(UBOOT_BINLOAD) FORCE 1146 $(call if_changed,pad_cat) 1147 1148# PPC4xx needs the SPL at the end of the image, since the reset vector 1149# is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target 1150# and need to introduce a new build target with the full blown U-Boot 1151# at the start padded up to the start of the SPL image. And then concat 1152# the SPL image to the end. 1153 1154OBJCOPYFLAGS_u-boot-img-spl-at-end.bin := -I binary -O binary \ 1155 --pad-to=$(CONFIG_UBOOT_PAD_TO) --gap-fill=0xff 1156u-boot-img-spl-at-end.bin: u-boot.img spl/u-boot-spl.bin FORCE 1157 $(call if_changed,pad_cat) 1158 1159# Create a new ELF from a raw binary file. This is useful for arm64 1160# where static relocation needs to be performed on the raw binary, 1161# but certain simulators only accept an ELF file (but don't do the 1162# relocation). 1163# FIXME refactor dts/Makefile to share target/arch detection 1164u-boot.elf: u-boot.bin 1165 @$(OBJCOPY) -B aarch64 -I binary -O elf64-littleaarch64 \ 1166 $< u-boot-elf.o 1167 @$(LD) u-boot-elf.o -o $@ \ 1168 --defsym=_start=$(CONFIG_SYS_TEXT_BASE) \ 1169 -Ttext=$(CONFIG_SYS_TEXT_BASE) 1170 1171# Rule to link u-boot 1172# May be overridden by arch/$(ARCH)/config.mk 1173quiet_cmd_u-boot__ ?= LD $@ 1174 cmd_u-boot__ ?= $(LD) $(LDFLAGS) $(LDFLAGS_u-boot) -o $@ \ 1175 -T u-boot.lds $(u-boot-init) \ 1176 --start-group $(u-boot-main) --end-group \ 1177 $(PLATFORM_LIBS) -Map u-boot.map 1178 1179quiet_cmd_smap = GEN common/system_map.o 1180cmd_smap = \ 1181 smap=`$(call SYSTEM_MAP,u-boot) | \ 1182 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \ 1183 $(CC) $(c_flags) -DSYSTEM_MAP="\"$${smap}\"" \ 1184 -c $(srctree)/common/system_map.c -o common/system_map.o 1185 1186u-boot: $(u-boot-init) $(u-boot-main) u-boot.lds FORCE 1187 $(call if_changed,u-boot__) 1188ifeq ($(CONFIG_KALLSYMS),y) 1189 $(call cmd,smap) 1190 $(call cmd,u-boot__) common/system_map.o 1191endif 1192 1193quiet_cmd_sym ?= SYM $@ 1194 cmd_sym ?= $(OBJDUMP) -t $< > $@ 1195u-boot.sym: u-boot FORCE 1196 $(call if_changed,sym) 1197 1198# The actual objects are generated when descending, 1199# make sure no implicit rule kicks in 1200$(sort $(u-boot-init) $(u-boot-main)): $(u-boot-dirs) ; 1201 1202# Handle descending into subdirectories listed in $(vmlinux-dirs) 1203# Preset locale variables to speed up the build process. Limit locale 1204# tweaks to this spot to avoid wrong language settings when running 1205# make menuconfig etc. 1206# Error messages still appears in the original language 1207 1208PHONY += $(u-boot-dirs) 1209$(u-boot-dirs): prepare scripts 1210 $(Q)$(MAKE) $(build)=$@ 1211 1212tools: prepare 1213# The "tools" are needed early 1214$(filter-out tools, $(u-boot-dirs)): tools 1215# The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC 1216# is "yes"), so compile examples after U-Boot is compiled. 1217examples: $(filter-out examples, $(u-boot-dirs)) 1218 1219define filechk_uboot.release 1220 echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" 1221endef 1222 1223# Store (new) UBOOTRELEASE string in include/config/uboot.release 1224include/config/uboot.release: include/config/auto.conf FORCE 1225 $(call filechk,uboot.release) 1226 1227 1228# Things we need to do before we recursively start building the kernel 1229# or the modules are listed in "prepare". 1230# A multi level approach is used. prepareN is processed before prepareN-1. 1231# archprepare is used in arch Makefiles and when processed asm symlink, 1232# version.h and scripts_basic is processed / created. 1233 1234# Listed in dependency order 1235PHONY += prepare archprepare prepare0 prepare1 prepare2 prepare3 1236 1237# prepare3 is used to check if we are building in a separate output directory, 1238# and if so do: 1239# 1) Check that make has not been executed in the kernel src $(srctree) 1240prepare3: include/config/uboot.release 1241ifneq ($(KBUILD_SRC),) 1242 @$(kecho) ' Using $(srctree) as source for U-Boot' 1243 $(Q)if [ -f $(srctree)/.config -o -d $(srctree)/include/config ]; then \ 1244 echo >&2 " $(srctree) is not clean, please run 'make mrproper'"; \ 1245 echo >&2 " in the '$(srctree)' directory.";\ 1246 /bin/false; \ 1247 fi; 1248endif 1249 1250# prepare2 creates a makefile if using a separate output directory 1251prepare2: prepare3 outputmakefile 1252 1253prepare1: prepare2 $(version_h) $(timestamp_h) \ 1254 include/config/auto.conf 1255ifeq ($(wildcard $(LDSCRIPT)),) 1256 @echo >&2 " Could not find linker script." 1257 @/bin/false 1258endif 1259 1260archprepare: prepare1 scripts_basic 1261 1262prepare0: archprepare FORCE 1263 $(Q)$(MAKE) $(build)=. 1264 1265# All the preparing.. 1266prepare: prepare0 1267 1268# Generate some files 1269# --------------------------------------------------------------------------- 1270 1271define filechk_version.h 1272 (echo \#define PLAIN_VERSION \"$(UBOOTRELEASE)\"; \ 1273 echo \#define U_BOOT_VERSION \"U-Boot \" PLAIN_VERSION; \ 1274 echo \#define CC_VERSION_STRING \"$$(LC_ALL=C $(CC) --version | head -n 1)\"; \ 1275 echo \#define LD_VERSION_STRING \"$$(LC_ALL=C $(LD) --version | head -n 1)\"; ) 1276endef 1277 1278# The SOURCE_DATE_EPOCH mechanism requires a date that behaves like GNU date. 1279# The BSD date on the other hand behaves different and would produce errors 1280# with the misused '-d' switch. Respect that and search a working date with 1281# well known pre- and suffixes for the GNU variant of date. 1282define filechk_timestamp.h 1283 (if test -n "$${SOURCE_DATE_EPOCH}"; then \ 1284 SOURCE_DATE="@$${SOURCE_DATE_EPOCH}"; \ 1285 DATE=""; \ 1286 for date in gdate date.gnu date; do \ 1287 $${date} -u -d "$${SOURCE_DATE}" >/dev/null 2>&1 && DATE="$${date}"; \ 1288 done; \ 1289 if test -n "$${DATE}"; then \ 1290 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_DATE "%b %d %C%y"'; \ 1291 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_TIME "%T"'; \ 1292 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_TZ "%z"'; \ 1293 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_DMI_DATE "%m/%d/%Y"'; \ 1294 else \ 1295 return 42; \ 1296 fi; \ 1297 else \ 1298 LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"'; \ 1299 LC_ALL=C date +'#define U_BOOT_TIME "%T"'; \ 1300 LC_ALL=C date +'#define U_BOOT_TZ "%z"'; \ 1301 LC_ALL=C date +'#define U_BOOT_DMI_DATE "%m/%d/%Y"'; \ 1302 fi) 1303endef 1304 1305$(version_h): include/config/uboot.release FORCE 1306 $(call filechk,version.h) 1307 1308$(timestamp_h): $(srctree)/Makefile FORCE 1309 $(call filechk,timestamp.h) 1310 1311# --------------------------------------------------------------------------- 1312quiet_cmd_cpp_lds = LDS $@ 1313cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \ 1314 -D__ASSEMBLY__ -x assembler-with-cpp -P -o $@ $< 1315 1316u-boot.lds: $(LDSCRIPT) prepare FORCE 1317 $(call if_changed_dep,cpp_lds) 1318 1319spl/u-boot-spl.bin: spl/u-boot-spl 1320 @: 1321spl/u-boot-spl: tools prepare $(if $(CONFIG_OF_SEPARATE),dts/dt.dtb) 1322 $(Q)$(MAKE) obj=spl -f $(srctree)/scripts/Makefile.spl all 1323 1324spl/sunxi-spl.bin: spl/u-boot-spl 1325 @: 1326 1327spl/u-boot-spl.sfp: spl/u-boot-spl 1328 @: 1329 1330spl/boot.bin: spl/u-boot-spl 1331 @: 1332 1333tpl/u-boot-tpl.bin: tools prepare 1334 $(Q)$(MAKE) obj=tpl -f $(srctree)/scripts/Makefile.spl all 1335 1336TAG_SUBDIRS := $(patsubst %,$(srctree)/%,$(u-boot-dirs) include) 1337 1338FIND := find 1339FINDFLAGS := -L 1340 1341tags ctags: 1342 ctags -w -o ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 1343 -name '*.[chS]' -print` 1344 ln -s ctags tags 1345 1346etags: 1347 etags -a -o etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 1348 -name '*.[chS]' -print` 1349cscope: 1350 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \ 1351 cscope.files 1352 cscope -b -q -k 1353 1354SYSTEM_MAP = \ 1355 $(NM) $1 | \ 1356 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \ 1357 LC_ALL=C sort 1358System.map: u-boot 1359 @$(call SYSTEM_MAP,$<) > $@ 1360 1361checkdtc: 1362 @if test $(call dtc-version) -lt 0104; then \ 1363 echo '*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \ 1364 false; \ 1365 fi 1366 1367######################################################################### 1368 1369# ARM relocations should all be R_ARM_RELATIVE (32-bit) or 1370# R_AARCH64_RELATIVE (64-bit). 1371checkarmreloc: u-boot 1372 @RELOC="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \ 1373 grep R_A | sort -u`"; \ 1374 if test "$$RELOC" != "R_ARM_RELATIVE" -a \ 1375 "$$RELOC" != "R_AARCH64_RELATIVE"; then \ 1376 echo "$< contains unexpected relocations: $$RELOC"; \ 1377 false; \ 1378 fi 1379 1380env: scripts_basic 1381 $(Q)$(MAKE) $(build)=tools/$@ 1382 1383tools-only: scripts_basic $(version_h) $(timestamp_h) 1384 $(Q)$(MAKE) $(build)=tools 1385 1386tools-all: export HOST_TOOLS_ALL=y 1387tools-all: env tools ; 1388 1389cross_tools: export CROSS_BUILD_TOOLS=y 1390cross_tools: tools ; 1391 1392.PHONY : CHANGELOG 1393CHANGELOG: 1394 git log --no-merges U-Boot-1_1_5.. | \ 1395 unexpand -a | sed -e 's/\s\s*$$//' > $@ 1396 1397######################################################################### 1398 1399### 1400# Cleaning is done on three levels. 1401# make clean Delete most generated files 1402# Leave enough to build external modules 1403# make mrproper Delete the current configuration, and all generated files 1404# make distclean Remove editor backup files, patch leftover files and the like 1405 1406# Directories & files removed with 'make clean' 1407CLEAN_DIRS += $(MODVERDIR) \ 1408 $(foreach d, spl tpl, $(patsubst %,$d/%, \ 1409 $(filter-out include, $(shell ls -1 $d 2>/dev/null)))) 1410 1411CLEAN_FILES += include/bmp_logo.h include/bmp_logo_data.h include/license.h \ 1412 boot* u-boot* MLO* SPL System.map 1413 1414# Directories & files removed with 'make mrproper' 1415MRPROPER_DIRS += include/config include/generated spl tpl \ 1416 .tmp_objdiff 1417MRPROPER_FILES += .config .config.old include/autoconf.mk* include/config.h \ 1418 ctags etags TAGS cscope* GPATH GTAGS GRTAGS GSYMS 1419 1420# clean - Delete most, but leave enough to build external modules 1421# 1422clean: rm-dirs := $(CLEAN_DIRS) 1423clean: rm-files := $(CLEAN_FILES) 1424 1425clean-dirs := $(foreach f,$(u-boot-alldirs),$(if $(wildcard $(srctree)/$f/Makefile),$f)) 1426 1427clean-dirs := $(addprefix _clean_, $(clean-dirs) doc/DocBook) 1428 1429PHONY += $(clean-dirs) clean archclean 1430$(clean-dirs): 1431 $(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@) 1432 1433# TODO: Do not use *.cfgtmp 1434clean: $(clean-dirs) 1435 $(call cmd,rmdirs) 1436 $(call cmd,rmfiles) 1437 @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \ 1438 \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \ 1439 -o -name '*.ko.*' -o -name '*.su' -o -name '*.cfgtmp' \ 1440 -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \ 1441 -o -name '*.symtypes' -o -name 'modules.order' \ 1442 -o -name modules.builtin -o -name '.tmp_*.o.*' \ 1443 -o -name 'dsdt.aml' -o -name 'dsdt.asl.tmp' -o -name 'dsdt.c' \ 1444 -o -name '*.gcno' \) -type f -print | xargs rm -f 1445 1446# mrproper - Delete all generated files, including .config 1447# 1448mrproper: rm-dirs := $(wildcard $(MRPROPER_DIRS)) 1449mrproper: rm-files := $(wildcard $(MRPROPER_FILES)) 1450mrproper-dirs := $(addprefix _mrproper_,scripts) 1451 1452PHONY += $(mrproper-dirs) mrproper archmrproper 1453$(mrproper-dirs): 1454 $(Q)$(MAKE) $(clean)=$(patsubst _mrproper_%,%,$@) 1455 1456mrproper: clean $(mrproper-dirs) 1457 $(call cmd,rmdirs) 1458 $(call cmd,rmfiles) 1459 @rm -f arch/*/include/asm/arch 1460 1461# distclean 1462# 1463PHONY += distclean 1464 1465distclean: mrproper 1466 @find $(srctree) $(RCS_FIND_IGNORE) \ 1467 \( -name '*.orig' -o -name '*.rej' -o -name '*~' \ 1468 -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \ 1469 -o -name '.*.rej' -o -name '*%' -o -name 'core' \ 1470 -o -name '*.pyc' \) \ 1471 -type f -print | xargs rm -f 1472 @rm -f boards.cfg 1473 1474backup: 1475 F=`basename $(srctree)` ; cd .. ; \ 1476 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F 1477 1478help: 1479 @echo 'Cleaning targets:' 1480 @echo ' clean - Remove most generated files but keep the config' 1481 @echo ' mrproper - Remove all generated files + config + various backup files' 1482 @echo ' distclean - mrproper + remove editor backup and patch files' 1483 @echo '' 1484 @echo 'Configuration targets:' 1485 @$(MAKE) -f $(srctree)/scripts/kconfig/Makefile help 1486 @echo '' 1487 @echo 'Other generic targets:' 1488 @echo ' all - Build all necessary images depending on configuration' 1489 @echo '* u-boot - Build the bare u-boot' 1490 @echo ' dir/ - Build all files in dir and below' 1491 @echo ' dir/file.[oisS] - Build specified target only' 1492 @echo ' dir/file.lst - Build specified mixed source/assembly target only' 1493 @echo ' (requires a recent binutils and recent build (System.map))' 1494 @echo ' tags/ctags - Generate ctags file for editors' 1495 @echo ' etags - Generate etags file for editors' 1496 @echo ' cscope - Generate cscope index' 1497 @echo ' ubootrelease - Output the release version string (use with make -s)' 1498 @echo ' ubootversion - Output the version stored in Makefile (use with make -s)' 1499 @echo '' 1500 @echo 'Static analysers' 1501 @echo ' checkstack - Generate a list of stack hogs' 1502 @echo '' 1503 @echo 'Documentation targets:' 1504 @$(MAKE) -f $(srctree)/doc/DocBook/Makefile dochelp 1505 @echo '' 1506 @echo ' make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build' 1507 @echo ' make V=2 [targets] 2 => give reason for rebuild of target' 1508 @echo ' make O=dir [targets] Locate all output files in "dir", including .config' 1509 @echo ' make C=1 [targets] Check all c source with $$CHECK (sparse by default)' 1510 @echo ' make C=2 [targets] Force check of all c source with $$CHECK' 1511 @echo ' make RECORDMCOUNT_WARN=1 [targets] Warn about ignored mcount sections' 1512 @echo ' make W=n [targets] Enable extra gcc checks, n=1,2,3 where' 1513 @echo ' 1: warnings which may be relevant and do not occur too often' 1514 @echo ' 2: warnings which occur quite often but may still be relevant' 1515 @echo ' 3: more obscure warnings, can most likely be ignored' 1516 @echo ' Multiple levels can be combined with W=12 or W=123' 1517 @echo '' 1518 @echo 'Execute "make" or "make all" to build all targets marked with [*] ' 1519 @echo 'For further info see the ./README file' 1520 1521 1522# Documentation targets 1523# --------------------------------------------------------------------------- 1524%docs: scripts_basic FORCE 1525 $(Q)$(MAKE) $(build)=scripts build_docproc 1526 $(Q)$(MAKE) $(build)=doc/DocBook $@ 1527 1528# Dummies... 1529PHONY += prepare scripts 1530prepare: ; 1531scripts: ; 1532 1533endif #ifeq ($(config-targets),1) 1534endif #ifeq ($(mixed-targets),1) 1535 1536PHONY += checkstack ubootrelease ubootversion 1537 1538checkstack: 1539 $(OBJDUMP) -d u-boot $$(find . -name u-boot-spl) | \ 1540 $(PERL) $(src)/scripts/checkstack.pl $(ARCH) 1541 1542ubootrelease: 1543 @echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" 1544 1545ubootversion: 1546 @echo $(UBOOTVERSION) 1547 1548# Single targets 1549# --------------------------------------------------------------------------- 1550# Single targets are compatible with: 1551# - build with mixed source and output 1552# - build with separate output dir 'make O=...' 1553# - external modules 1554# 1555# target-dir => where to store outputfile 1556# build-dir => directory in kernel source tree to use 1557 1558ifeq ($(KBUILD_EXTMOD),) 1559 build-dir = $(patsubst %/,%,$(dir $@)) 1560 target-dir = $(dir $@) 1561else 1562 zap-slash=$(filter-out .,$(patsubst %/,%,$(dir $@))) 1563 build-dir = $(KBUILD_EXTMOD)$(if $(zap-slash),/$(zap-slash)) 1564 target-dir = $(if $(KBUILD_EXTMOD),$(dir $<),$(dir $@)) 1565endif 1566 1567%.s: %.c prepare scripts FORCE 1568 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1569%.i: %.c prepare scripts FORCE 1570 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1571%.o: %.c prepare scripts FORCE 1572 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1573%.lst: %.c prepare scripts FORCE 1574 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1575%.s: %.S prepare scripts FORCE 1576 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1577%.o: %.S prepare scripts FORCE 1578 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1579%.symtypes: %.c prepare scripts FORCE 1580 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1581 1582# Modules 1583/: prepare scripts FORCE 1584 $(cmd_crmodverdir) 1585 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 1586 $(build)=$(build-dir) 1587%/: prepare scripts FORCE 1588 $(cmd_crmodverdir) 1589 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 1590 $(build)=$(build-dir) 1591%.ko: prepare scripts FORCE 1592 $(cmd_crmodverdir) 1593 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 1594 $(build)=$(build-dir) $(@:.ko=.o) 1595 $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost 1596 1597# FIXME Should go into a make.lib or something 1598# =========================================================================== 1599 1600quiet_cmd_rmdirs = $(if $(wildcard $(rm-dirs)),CLEAN $(wildcard $(rm-dirs))) 1601 cmd_rmdirs = rm -rf $(rm-dirs) 1602 1603quiet_cmd_rmfiles = $(if $(wildcard $(rm-files)),CLEAN $(wildcard $(rm-files))) 1604 cmd_rmfiles = rm -f $(rm-files) 1605 1606# read all saved command lines 1607 1608targets := $(wildcard $(sort $(targets))) 1609cmd_files := $(wildcard .*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd)) 1610 1611ifneq ($(cmd_files),) 1612 $(cmd_files): ; # Do not try to update included dependency files 1613 include $(cmd_files) 1614endif 1615 1616endif # skip-makefile 1617 1618PHONY += FORCE 1619FORCE: 1620 1621# Declare the contents of the .PHONY variable as phony. We keep that 1622# information in a variable so we can use it in if_changed and friends. 1623.PHONY: $(PHONY) 1624