1# 2# (C) Copyright 2000-2013 3# Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4# 5# SPDX-License-Identifier: GPL-2.0+ 6# 7 8VERSION = 2014 9PATCHLEVEL = 04 10SUBLEVEL = 11EXTRAVERSION = -rc1 12NAME = 13 14# *DOCUMENTATION* 15# To see a list of typical targets execute "make help" 16# More info can be located in ./README 17# Comments in this file are targeted only to the developer, do not 18# expect to learn how to build the kernel reading this file. 19 20# Do not: 21# o use make's built-in rules and variables 22# (this increases performance and avoids hard-to-debug behaviour); 23# o print "Entering directory ..."; 24MAKEFLAGS += -rR --no-print-directory 25 26# Avoid funny character set dependencies 27unexport LC_ALL 28LC_COLLATE=C 29LC_NUMERIC=C 30export LC_COLLATE LC_NUMERIC 31 32# We are using a recursive build, so we need to do a little thinking 33# to get the ordering right. 34# 35# Most importantly: sub-Makefiles should only ever modify files in 36# their own directory. If in some directory we have a dependency on 37# a file in another dir (which doesn't happen often, but it's often 38# unavoidable when linking the built-in.o targets which finally 39# turn into vmlinux), we will call a sub make in that other dir, and 40# after that we are sure that everything which is in that other dir 41# is now up to date. 42# 43# The only cases where we need to modify files which have global 44# effects are thus separated out and done before the recursive 45# descending is started. They are now explicitly listed as the 46# prepare rule. 47 48# To put more focus on warnings, be less verbose as default 49# Use 'make V=1' to see the full commands 50 51ifeq ("$(origin V)", "command line") 52 KBUILD_VERBOSE = $(V) 53endif 54ifndef KBUILD_VERBOSE 55 KBUILD_VERBOSE = 0 56endif 57 58# Call a source code checker (by default, "sparse") as part of the 59# C compilation. 60# 61# Use 'make C=1' to enable checking of only re-compiled files. 62# Use 'make C=2' to enable checking of *all* source files, regardless 63# of whether they are re-compiled or not. 64# 65# See the file "Documentation/sparse.txt" for more details, including 66# where to get the "sparse" utility. 67 68ifeq ("$(origin C)", "command line") 69 KBUILD_CHECKSRC = $(C) 70endif 71ifndef KBUILD_CHECKSRC 72 KBUILD_CHECKSRC = 0 73endif 74 75# Use make M=dir to specify directory of external module to build 76# Old syntax make ... SUBDIRS=$PWD is still supported 77# Setting the environment variable KBUILD_EXTMOD take precedence 78ifdef SUBDIRS 79 KBUILD_EXTMOD ?= $(SUBDIRS) 80endif 81 82ifeq ("$(origin M)", "command line") 83 KBUILD_EXTMOD := $(M) 84endif 85 86# kbuild supports saving output files in a separate directory. 87# To locate output files in a separate directory two syntaxes are supported. 88# In both cases the working directory must be the root of the kernel src. 89# 1) O= 90# Use "make O=dir/to/store/output/files/" 91# 92# 2) Set KBUILD_OUTPUT 93# Set the environment variable KBUILD_OUTPUT to point to the directory 94# where the output files shall be placed. 95# export KBUILD_OUTPUT=dir/to/store/output/files/ 96# make 97# 98# The O= assignment takes precedence over the KBUILD_OUTPUT environment 99# variable. 100 101 102# KBUILD_SRC is set on invocation of make in OBJ directory 103# KBUILD_SRC is not intended to be used by the regular user (for now) 104ifeq ($(KBUILD_SRC),) 105 106# OK, Make called in directory where kernel src resides 107# Do we want to locate output files in a separate directory? 108ifeq ("$(origin O)", "command line") 109 KBUILD_OUTPUT := $(O) 110endif 111 112ifeq ("$(origin W)", "command line") 113 export KBUILD_ENABLE_EXTRA_GCC_CHECKS := $(W) 114endif 115 116# That's our default target when none is given on the command line 117PHONY := _all 118_all: 119 120# Cancel implicit rules on top Makefile 121$(CURDIR)/Makefile Makefile: ; 122 123ifneq ($(KBUILD_OUTPUT),) 124# Invoke a second make in the output directory, passing relevant variables 125# check that the output directory actually exists 126saved-output := $(KBUILD_OUTPUT) 127KBUILD_OUTPUT := $(shell cd $(KBUILD_OUTPUT) && /bin/pwd) 128$(if $(KBUILD_OUTPUT),, \ 129 $(error output directory "$(saved-output)" does not exist)) 130 131PHONY += $(MAKECMDGOALS) sub-make 132 133$(filter-out _all sub-make $(CURDIR)/Makefile, $(MAKECMDGOALS)) _all: sub-make 134 @: 135 136sub-make: FORCE 137 $(if $(KBUILD_VERBOSE:1=),@)$(MAKE) -C $(KBUILD_OUTPUT) \ 138 KBUILD_SRC=$(CURDIR) \ 139 KBUILD_EXTMOD="$(KBUILD_EXTMOD)" -f $(CURDIR)/Makefile \ 140 $(filter-out _all sub-make,$(MAKECMDGOALS)) 141 142# Leave processing to above invocation of make 143skip-makefile := 1 144endif # ifneq ($(KBUILD_OUTPUT),) 145endif # ifeq ($(KBUILD_SRC),) 146 147# We process the rest of the Makefile if this is the final invocation of make 148ifeq ($(skip-makefile),) 149 150# If building an external module we do not care about the all: rule 151# but instead _all depend on modules 152PHONY += all 153ifeq ($(KBUILD_EXTMOD),) 154_all: all 155else 156_all: modules 157endif 158 159srctree := $(if $(KBUILD_SRC),$(KBUILD_SRC),$(CURDIR)) 160objtree := $(CURDIR) 161src := $(srctree) 162obj := $(objtree) 163 164VPATH := $(srctree)$(if $(KBUILD_EXTMOD),:$(KBUILD_EXTMOD)) 165 166export srctree objtree VPATH 167 168OBJTREE := $(objtree) 169SPLTREE := $(OBJTREE)/spl 170TPLTREE := $(OBJTREE)/tpl 171SRCTREE := $(srctree) 172TOPDIR := $(SRCTREE) 173export TOPDIR SRCTREE OBJTREE SPLTREE TPLTREE 174 175MKCONFIG := $(SRCTREE)/mkconfig 176export MKCONFIG 177 178# Make sure CDPATH settings don't interfere 179unexport CDPATH 180 181######################################################################### 182 183HOSTARCH := $(shell uname -m | \ 184 sed -e s/i.86/x86/ \ 185 -e s/sun4u/sparc64/ \ 186 -e s/arm.*/arm/ \ 187 -e s/sa110/arm/ \ 188 -e s/ppc64/powerpc/ \ 189 -e s/ppc/powerpc/ \ 190 -e s/macppc/powerpc/\ 191 -e s/sh.*/sh/) 192 193HOSTOS := $(shell uname -s | tr '[:upper:]' '[:lower:]' | \ 194 sed -e 's/\(cygwin\).*/cygwin/') 195 196export HOSTARCH HOSTOS 197 198# Deal with colliding definitions from tcsh etc. 199VENDOR= 200 201######################################################################### 202 203# set default to nothing for native builds 204ifeq ($(HOSTARCH),$(ARCH)) 205CROSS_COMPILE ?= 206endif 207 208# SHELL used by kbuild 209CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \ 210 else if [ -x /bin/bash ]; then echo /bin/bash; \ 211 else echo sh; fi ; fi) 212 213HOSTCC = gcc 214HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer 215 216ifeq ($(HOSTOS),cygwin) 217HOSTCFLAGS += -ansi 218endif 219 220# Mac OS X / Darwin's C preprocessor is Apple specific. It 221# generates numerous errors and warnings. We want to bypass it 222# and use GNU C's cpp. To do this we pass the -traditional-cpp 223# option to the compiler. Note that the -traditional-cpp flag 224# DOES NOT have the same semantics as GNU C's flag, all it does 225# is invoke the GNU preprocessor in stock ANSI/ISO C fashion. 226# 227# Apple's linker is similar, thanks to the new 2 stage linking 228# multiple symbol definitions are treated as errors, hence the 229# -multiply_defined suppress option to turn off this error. 230# 231ifeq ($(HOSTOS),darwin) 232# get major and minor product version (e.g. '10' and '6' for Snow Leopard) 233DARWIN_MAJOR_VERSION = $(shell sw_vers -productVersion | cut -f 1 -d '.') 234DARWIN_MINOR_VERSION = $(shell sw_vers -productVersion | cut -f 2 -d '.') 235 236os_x_before = $(shell if [ $(DARWIN_MAJOR_VERSION) -le $(1) -a \ 237 $(DARWIN_MINOR_VERSION) -le $(2) ] ; then echo "$(3)"; else echo "$(4)"; fi ;) 238 239# Snow Leopards build environment has no longer restrictions as described above 240HOSTCC = $(call os_x_before, 10, 5, "cc", "gcc") 241HOSTCFLAGS += $(call os_x_before, 10, 4, "-traditional-cpp") 242HOSTLDFLAGS += $(call os_x_before, 10, 5, "-multiply_defined suppress") 243endif 244 245# Decide whether to build built-in, modular, or both. 246# Normally, just do built-in. 247 248KBUILD_MODULES := 249KBUILD_BUILTIN := 1 250 251# If we have only "make modules", don't compile built-in objects. 252# When we're building modules with modversions, we need to consider 253# the built-in objects during the descend as well, in order to 254# make sure the checksums are up to date before we record them. 255 256ifeq ($(MAKECMDGOALS),modules) 257 KBUILD_BUILTIN := $(if $(CONFIG_MODVERSIONS),1) 258endif 259 260# If we have "make <whatever> modules", compile modules 261# in addition to whatever we do anyway. 262# Just "make" or "make all" shall build modules as well 263 264# U-Boot does not need modules 265#ifneq ($(filter all _all modules,$(MAKECMDGOALS)),) 266# KBUILD_MODULES := 1 267#endif 268 269#ifeq ($(MAKECMDGOALS),) 270# KBUILD_MODULES := 1 271#endif 272 273export KBUILD_MODULES KBUILD_BUILTIN 274export KBUILD_CHECKSRC KBUILD_SRC KBUILD_EXTMOD 275 276# Beautify output 277# --------------------------------------------------------------------------- 278# 279# Normally, we echo the whole command before executing it. By making 280# that echo $($(quiet)$(cmd)), we now have the possibility to set 281# $(quiet) to choose other forms of output instead, e.g. 282# 283# quiet_cmd_cc_o_c = Compiling $(RELDIR)/$@ 284# cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $< 285# 286# If $(quiet) is empty, the whole command will be printed. 287# If it is set to "quiet_", only the short version will be printed. 288# If it is set to "silent_", nothing will be printed at all, since 289# the variable $(silent_cmd_cc_o_c) doesn't exist. 290# 291# A simple variant is to prefix commands with $(Q) - that's useful 292# for commands that shall be hidden in non-verbose mode. 293# 294# $(Q)ln $@ :< 295# 296# If KBUILD_VERBOSE equals 0 then the above command will be hidden. 297# If KBUILD_VERBOSE equals 1 then the above command is displayed. 298 299ifeq ($(KBUILD_VERBOSE),1) 300 quiet = 301 Q = 302else 303 quiet=quiet_ 304 Q = @ 305endif 306 307# If the user is running make -s (silent mode), suppress echoing of 308# commands 309 310ifneq ($(filter s% -s%,$(MAKEFLAGS)),) 311 quiet=silent_ 312endif 313 314export quiet Q KBUILD_VERBOSE 315 316 317# Look for make include files relative to root of kernel src 318MAKEFLAGS += --include-dir=$(srctree) 319 320# We need some generic definitions (do not try to remake the file). 321$(srctree)/scripts/Kbuild.include: ; 322include $(srctree)/scripts/Kbuild.include 323 324# Make variables (CC, etc...) 325 326AS = $(CROSS_COMPILE)as 327# Always use GNU ld 328ifneq ($(shell $(CROSS_COMPILE)ld.bfd -v 2> /dev/null),) 329LD = $(CROSS_COMPILE)ld.bfd 330else 331LD = $(CROSS_COMPILE)ld 332endif 333CC = $(CROSS_COMPILE)gcc 334CPP = $(CC) -E 335AR = $(CROSS_COMPILE)ar 336NM = $(CROSS_COMPILE)nm 337LDR = $(CROSS_COMPILE)ldr 338STRIP = $(CROSS_COMPILE)strip 339OBJCOPY = $(CROSS_COMPILE)objcopy 340OBJDUMP = $(CROSS_COMPILE)objdump 341AWK = awk 342RANLIB = $(CROSS_COMPILE)RANLIB 343DTC = dtc 344CHECK = sparse 345 346CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \ 347 -Wbitwise -Wno-return-void -D__CHECK_ENDIAN__ $(CF) 348 349KBUILD_CPPFLAGS := -D__KERNEL__ 350 351KBUILD_CFLAGS := -Wall -Wstrict-prototypes \ 352 -Wno-format-security \ 353 -fno-builtin -ffreestanding 354KBUILD_AFLAGS := -D__ASSEMBLY__ 355 356# Read UBOOTRELEASE from include/config/uboot.release (if it exists) 357UBOOTRELEASE = $(shell cat include/config/uboot.release 2> /dev/null) 358UBOOTVERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SUBLEVEL)))$(EXTRAVERSION) 359 360export VERSION PATCHLEVEL SUBLEVEL UBOOTRELEASE UBOOTVERSION 361export ARCH CPU BOARD VENDOR SOC 362export CONFIG_SHELL HOSTCC HOSTCFLAGS HOSTLDFLAGS CROSS_COMPILE AS LD CC 363export CPP AR NM LDR STRIP OBJCOPY OBJDUMP 364export MAKE AWK 365export DTC CHECK CHECKFLAGS 366 367export KBUILD_CPPFLAGS NOSTDINC_FLAGS UBOOTINCLUDE 368export KBUILD_CFLAGS KBUILD_AFLAGS 369 370# When compiling out-of-tree modules, put MODVERDIR in the module 371# tree rather than in the kernel tree. The kernel tree might 372# even be read-only. 373export MODVERDIR := $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/).tmp_versions 374 375# Files to ignore in find ... statements 376 377RCS_FIND_IGNORE := \( -name SCCS -o -name BitKeeper -o -name .svn -o -name CVS \ 378 -o -name .pc -o -name .hg -o -name .git \) -prune -o 379export RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn \ 380 --exclude CVS --exclude .pc --exclude .hg --exclude .git 381 382# =========================================================================== 383# Rules shared between *config targets and build targets 384 385# Basic helpers built in scripts/ 386PHONY += scripts_basic 387scripts_basic: 388 $(Q)$(MAKE) $(build)=scripts/basic 389 $(Q)rm -f .tmp_quiet_recordmcount 390 391# To avoid any implicit rule to kick in, define an empty command. 392scripts/basic/%: scripts_basic ; 393 394PHONY += outputmakefile 395# outputmakefile generates a Makefile in the output directory, if using a 396# separate output directory. This allows convenient use of make in the 397# output directory. 398outputmakefile: 399ifneq ($(KBUILD_SRC),) 400 $(Q)ln -fsn $(srctree) source 401 $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile \ 402 $(srctree) $(objtree) $(VERSION) $(PATCHLEVEL) 403endif 404 405# To make sure we do not include .config for any of the *config targets 406# catch them early, and hand them over to scripts/kconfig/Makefile 407# It is allowed to specify more targets when calling make, including 408# mixing *config targets and build targets. 409# For example 'make oldconfig all'. 410# Detect when mixed targets is specified, and make a second invocation 411# of make so .config is not included in this case either (for *config). 412 413version_h := include/generated/version_autogenerated.h 414timestamp_h := include/generated/timestamp_autogenerated.h 415 416no-dot-config-targets := clean clobber mrproper distclean \ 417 help %docs check% coccicheck \ 418 ubootversion backup 419 420config-targets := 0 421mixed-targets := 0 422dot-config := 1 423 424ifneq ($(filter $(no-dot-config-targets), $(MAKECMDGOALS)),) 425 ifeq ($(filter-out $(no-dot-config-targets), $(MAKECMDGOALS)),) 426 dot-config := 0 427 endif 428endif 429 430ifeq ($(KBUILD_EXTMOD),) 431 ifneq ($(filter config %config,$(MAKECMDGOALS)),) 432 config-targets := 1 433 ifneq ($(filter-out config %config,$(MAKECMDGOALS)),) 434 mixed-targets := 1 435 endif 436 endif 437endif 438 439ifeq ($(mixed-targets),1) 440# =========================================================================== 441# We're called with mixed targets (*config and build targets). 442# Handle them one by one. 443 444PHONY += $(MAKECMDGOALS) build-one-by-one 445 446$(MAKECMDGOALS): build-one-by-one 447 @: 448 449build-one-by-one: 450 $(Q)set -e; \ 451 for i in $(MAKECMDGOALS); do \ 452 $(MAKE) -f $(srctree)/Makefile $$i; \ 453 done 454 455else 456ifeq ($(config-targets),1) 457# =========================================================================== 458# *config targets only - make sure prerequisites are updated, and descend 459# in scripts/kconfig to make the *config target 460 461# Read arch specific Makefile to set KBUILD_DEFCONFIG as needed. 462# KBUILD_DEFCONFIG may point out an alternative default configuration 463# used for 'make defconfig' 464 465%_config:: outputmakefile 466 @$(MKCONFIG) -A $(@:_config=) 467 468else 469# =========================================================================== 470# Build targets only - this includes vmlinux, arch specific targets, clean 471# targets and others. In general all targets except *config targets. 472 473# load ARCH, BOARD, and CPU configuration 474-include include/config.mk 475 476ifeq ($(dot-config),1) 477# Read in config 478-include include/autoconf.mk 479-include include/autoconf.mk.dep 480 481# load other configuration 482include $(srctree)/config.mk 483 484ifeq ($(wildcard include/config.mk),) 485$(error "System not configured - see README") 486endif 487 488# If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use 489# that (or fail if absent). Otherwise, search for a linker script in a 490# standard location. 491 492LDSCRIPT_MAKEFILE_DIR = $(dir $(LDSCRIPT)) 493 494ifndef LDSCRIPT 495 #LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug 496 ifdef CONFIG_SYS_LDSCRIPT 497 # need to strip off double quotes 498 LDSCRIPT := $(srctree)/$(CONFIG_SYS_LDSCRIPT:"%"=%) 499 endif 500endif 501 502# If there is no specified link script, we look in a number of places for it 503ifndef LDSCRIPT 504 ifeq ($(CONFIG_NAND_U_BOOT),y) 505 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-nand.lds 506 ifeq ($(wildcard $(LDSCRIPT)),) 507 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-nand.lds 508 endif 509 endif 510 ifeq ($(wildcard $(LDSCRIPT)),) 511 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds 512 endif 513 ifeq ($(wildcard $(LDSCRIPT)),) 514 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot.lds 515 endif 516 ifeq ($(wildcard $(LDSCRIPT)),) 517 LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot.lds 518 # We don't expect a Makefile here 519 LDSCRIPT_MAKEFILE_DIR = 520 endif 521endif 522 523else 524 525 526endif # $(dot-config) 527 528KBUILD_CFLAGS += -Os #-fomit-frame-pointer 529 530ifdef BUILD_TAG 531KBUILD_CFLAGS += -DBUILD_TAG='"$(BUILD_TAG)"' 532endif 533 534KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector) 535 536KBUILD_CFLAGS += -g 537# $(KBUILD_AFLAGS) sets -g, which causes gcc to pass a suitable -g<format> 538# option to the assembler. 539KBUILD_AFLAGS += -g 540 541# Report stack usage if supported 542ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-stack-usage.sh $(CC)),y) 543 KBUILD_CFLAGS += -fstack-usage 544endif 545 546KBUILD_CFLAGS += $(call cc-option,-Wno-format-nonliteral) 547 548# turn jbsr into jsr for m68k 549ifeq ($(ARCH),m68k) 550ifeq ($(findstring 3.4,$(shell $(CC) --version)),3.4) 551KBUILD_AFLAGS += -Wa,-gstabs,-S 552endif 553endif 554 555ifneq ($(CONFIG_SYS_TEXT_BASE),) 556KBUILD_CPPFLAGS += -DCONFIG_SYS_TEXT_BASE=$(CONFIG_SYS_TEXT_BASE) 557endif 558 559export CONFIG_SYS_TEXT_BASE 560 561# Use UBOOTINCLUDE when you must reference the include/ directory. 562# Needed to be compatible with the O= option 563UBOOTINCLUDE := 564ifneq ($(OBJTREE),$(SRCTREE)) 565UBOOTINCLUDE += -I$(OBJTREE)/include 566endif 567UBOOTINCLUDE += -I$(srctree)/include \ 568 -I$(srctree)/arch/$(ARCH)/include 569 570NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include) 571CHECKFLAGS += $(NOSTDINC_FLAGS) 572 573# FIX ME 574cpp_flags := $(KBUILD_CPPFLAGS) $(CPPFLAGS) $(UBOOTINCLUDE) $(NOSTDINC_FLAGS) 575c_flags := $(KBUILD_CFLAGS) $(cpp_flags) 576 577######################################################################### 578# U-Boot objects....order is important (i.e. start must be first) 579 580head-y := $(CPUDIR)/start.o 581head-$(CONFIG_4xx) += arch/powerpc/cpu/ppc4xx/resetvec.o 582head-$(CONFIG_MPC85xx) += arch/powerpc/cpu/mpc85xx/resetvec.o 583 584HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n) 585 586libs-y += lib/ 587libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/ 588libs-y += $(CPUDIR)/ 589ifdef SOC 590libs-y += $(CPUDIR)/$(SOC)/ 591endif 592libs-$(CONFIG_OF_EMBED) += dts/ 593libs-y += arch/$(ARCH)/lib/ 594libs-y += fs/ 595libs-y += net/ 596libs-y += disk/ 597libs-y += drivers/ 598libs-y += drivers/dma/ 599libs-y += drivers/gpio/ 600libs-y += drivers/i2c/ 601libs-y += drivers/input/ 602libs-y += drivers/mmc/ 603libs-y += drivers/mtd/ 604libs-$(CONFIG_CMD_NAND) += drivers/mtd/nand/ 605libs-y += drivers/mtd/onenand/ 606libs-$(CONFIG_CMD_UBI) += drivers/mtd/ubi/ 607libs-y += drivers/mtd/spi/ 608libs-y += drivers/net/ 609libs-y += drivers/net/phy/ 610libs-y += drivers/pci/ 611libs-y += drivers/power/ \ 612 drivers/power/fuel_gauge/ \ 613 drivers/power/mfd/ \ 614 drivers/power/pmic/ \ 615 drivers/power/battery/ 616libs-y += drivers/spi/ 617libs-$(CONFIG_FMAN_ENET) += drivers/net/fm/ 618libs-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/ 619libs-y += drivers/serial/ 620libs-y += drivers/usb/eth/ 621libs-y += drivers/usb/gadget/ 622libs-y += drivers/usb/host/ 623libs-y += drivers/usb/musb/ 624libs-y += drivers/usb/musb-new/ 625libs-y += drivers/usb/phy/ 626libs-y += drivers/usb/ulpi/ 627libs-y += common/ 628libs-y += lib/libfdt/ 629libs-$(CONFIG_API) += api/ 630libs-$(CONFIG_HAS_POST) += post/ 631libs-y += test/ 632 633ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610)) 634libs-y += arch/$(ARCH)/imx-common/ 635endif 636 637libs-$(CONFIG_ARM) += arch/arm/cpu/ 638libs-$(CONFIG_PPC) += arch/powerpc/cpu/ 639 640libs-y += board/$(BOARDDIR)/ 641 642libs-y := $(sort $(libs-y)) 643 644u-boot-dirs := $(patsubst %/,%,$(filter %/, $(libs-y))) tools examples 645 646u-boot-alldirs := $(sort $(u-boot-dirs) $(patsubst %/,%,$(filter %/, $(libs-)))) 647 648libs-y := $(patsubst %/, %/built-in.o, $(libs-y)) 649 650u-boot-init := $(head-y) 651u-boot-main := $(libs-y) 652 653 654# Add GCC lib 655ifdef USE_PRIVATE_LIBGCC 656ifeq ("$(USE_PRIVATE_LIBGCC)", "yes") 657PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/lib.a 658else 659PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc 660endif 661else 662PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(c_flags) -print-libgcc-file-name`) -lgcc 663endif 664PLATFORM_LIBS += $(PLATFORM_LIBGCC) 665export PLATFORM_LIBS 666 667# Special flags for CPP when processing the linker script. 668# Pass the version down so we can handle backwards compatibility 669# on the fly. 670LDPPFLAGS += \ 671 -include $(TOPDIR)/include/u-boot/u-boot.lds.h \ 672 -DCPUDIR=$(CPUDIR) \ 673 $(shell $(LD) --version | \ 674 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 675 676######################################################################### 677######################################################################### 678 679ifneq ($(CONFIG_BOARD_SIZE_LIMIT),) 680BOARD_SIZE_CHECK = \ 681 @actual=`wc -c $@ | awk '{print $$1}'`; \ 682 limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \ 683 if test $$actual -gt $$limit; then \ 684 echo "$@ exceeds file size limit:" >&2 ; \ 685 echo " limit: $$limit bytes" >&2 ; \ 686 echo " actual: $$actual bytes" >&2 ; \ 687 echo " excess: $$((actual - limit)) bytes" >&2; \ 688 exit 1; \ 689 fi 690else 691BOARD_SIZE_CHECK = 692endif 693 694# Statically apply RELA-style relocations (currently arm64 only) 695ifneq ($(CONFIG_STATIC_RELA),) 696# $(1) is u-boot ELF, $(2) is u-boot bin, $(3) is text base 697DO_STATIC_RELA = \ 698 start=$$($(NM) $(1) | grep __rel_dyn_start | cut -f 1 -d ' '); \ 699 end=$$($(NM) $(1) | grep __rel_dyn_end | cut -f 1 -d ' '); \ 700 tools/relocate-rela $(2) $(3) $$start $$end 701else 702DO_STATIC_RELA = 703endif 704 705# Always append ALL so that arch config.mk's can add custom ones 706ALL-y += u-boot.srec u-boot.bin System.map 707 708ALL-$(CONFIG_NAND_U_BOOT) += u-boot-nand.bin 709ALL-$(CONFIG_ONENAND_U_BOOT) += u-boot-onenand.bin 710ALL-$(CONFIG_RAMBOOT_PBL) += u-boot.pbl 711ALL-$(CONFIG_SPL) += spl/u-boot-spl.bin 712ALL-$(CONFIG_SPL_FRAMEWORK) += u-boot.img 713ALL-$(CONFIG_TPL) += tpl/u-boot-tpl.bin 714ALL-$(CONFIG_OF_SEPARATE) += u-boot.dtb u-boot-dtb.bin 715ifneq ($(CONFIG_SPL_TARGET),) 716ALL-$(CONFIG_SPL) += $(CONFIG_SPL_TARGET:"%"=%) 717endif 718ALL-$(CONFIG_REMAKE_ELF) += u-boot.elf 719 720# enable combined SPL/u-boot/dtb rules for tegra 721ifneq ($(CONFIG_TEGRA),) 722ifeq ($(CONFIG_SPL),y) 723ifeq ($(CONFIG_OF_SEPARATE),y) 724ALL-y += u-boot-dtb-tegra.bin 725else 726ALL-y += u-boot-nodtb-tegra.bin 727endif 728endif 729endif 730 731LDFLAGS_u-boot += $(LDFLAGS_FINAL) 732ifneq ($(CONFIG_SYS_TEXT_BASE),) 733LDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE) 734endif 735 736quiet_cmd_objcopy = OBJCOPY $@ 737cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@ 738 739quiet_cmd_mkimage = UIMAGE $@ 740cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \ 741 $(if $(KBUILD_VERBOSE:1=), >/dev/null) 742 743quiet_cmd_cat = CAT $@ 744cmd_cat = cat $(filter-out $(PHONY), $^) > $@ 745 746append = cat $(filter-out $< $(PHONY), $^) >> $@ 747 748quiet_cmd_pad_cat = CAT $@ 749cmd_pad_cat = $(cmd_objcopy) && $(append) || rm -f $@ 750 751all: $(ALL-y) 752 753PHONY += dtbs 754dtbs dts/dt.dtb: checkdtc u-boot 755 $(Q)$(MAKE) $(build)=dts dtbs 756 757u-boot-dtb.bin: u-boot.bin dts/dt.dtb FORCE 758 $(call if_changed,cat) 759 760quiet_cmd_copy = COPY $@ 761 cmd_copy = cp $< $@ 762 763u-boot.dtb: dts/dt.dtb 764 $(call cmd,copy) 765 766OBJCOPYFLAGS_u-boot.hex := -O ihex 767 768OBJCOPYFLAGS_u-boot.srec := -O srec 769 770u-boot.hex u-boot.srec: u-boot FORCE 771 $(call if_changed,objcopy) 772 773OBJCOPYFLAGS_u-boot.bin := -O binary 774 775u-boot.bin: u-boot FORCE 776 $(call if_changed,objcopy) 777 $(call DO_STATIC_RELA,$<,$@,$(CONFIG_SYS_TEXT_BASE)) 778 $(BOARD_SIZE_CHECK) 779 780u-boot.ldr: u-boot 781 $(CREATE_LDR_ENV) 782 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS) 783 $(BOARD_SIZE_CHECK) 784 785OBJCOPYFLAGS_u-boot.ldr.hex := -I binary -O ihex 786 787OBJCOPYFLAGS_u-boot.ldr.srec := -I binary -O srec 788 789u-boot.ldr.hex u-boot.ldr.srec: u-boot.ldr FORCE 790 $(call if_changed,objcopy) 791 792# 793# U-Boot entry point, needed for booting of full-blown U-Boot 794# from the SPL U-Boot version. 795# 796ifndef CONFIG_SYS_UBOOT_START 797CONFIG_SYS_UBOOT_START := 0 798endif 799 800MKIMAGEFLAGS_u-boot.img = -A $(ARCH) -T firmware -C none -O u-boot \ 801 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \ 802 -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board" 803 804MKIMAGEFLAGS_u-boot.kwb = -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \ 805 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) 806 807MKIMAGEFLAGS_u-boot.pbl = -n $(CONFIG_SYS_FSL_PBL_RCW) \ 808 -R $(CONFIG_SYS_FSL_PBL_PBI) -T pblimage 809 810u-boot.img u-boot.kwb u-boot.pbl: u-boot.bin FORCE 811 $(call if_changed,mkimage) 812 813u-boot.imx: u-boot.bin 814 $(Q)$(MAKE) $(build)=arch/arm/imx-common $@ 815 816u-boot.sha1: u-boot.bin 817 tools/ubsha1 u-boot.bin 818 819u-boot.dis: u-boot 820 $(OBJDUMP) -d $< > $@ 821 822ifdef CONFIG_TPL 823SPL_PAYLOAD := tpl/u-boot-with-tpl.bin 824else 825SPL_PAYLOAD := u-boot.bin 826endif 827 828OBJCOPYFLAGS_u-boot-with-spl.bin = -I binary -O binary \ 829 --pad-to=$(CONFIG_SPL_PAD_TO) 830u-boot-with-spl.bin: spl/u-boot-spl.bin $(SPL_PAYLOAD) FORCE 831 $(call if_changed,pad_cat) 832 833OBJCOPYFLAGS_u-boot-with-tpl.bin = -I binary -O binary \ 834 --pad-to=$(CONFIG_TPL_PAD_TO) 835tpl/u-boot-with-tpl.bin: tpl/u-boot-tpl.bin u-boot.bin FORCE 836 $(call if_changed,pad_cat) 837 838SPL: spl/u-boot-spl.bin FORCE 839 $(Q)$(MAKE) $(build)=arch/arm/imx-common $@ 840 841u-boot-with-spl.imx u-boot-with-nand-spl.imx: SPL u-boot.bin FORCE 842 $(Q)$(MAKE) $(build)=arch/arm/imx-common $@ 843 844MKIMAGEFLAGS_u-boot.ubl = -n $(UBL_CONFIG) -T ublimage -e $(CONFIG_SYS_TEXT_BASE) 845 846u-boot.ubl: u-boot-with-spl.bin FORCE 847 $(call if_changed,mkimage) 848 849MKIMAGEFLAGS_u-boot-spl.ais = -s -n $(if $(CONFIG_AIS_CONFIG_FILE), \ 850 $(srctree)/$(CONFIG_AIS_CONFIG_FILE:"%"=%),"/dev/null") \ 851 -T aisimage -e $(CONFIG_SPL_TEXT_BASE) 852spl/u-boot-spl.ais: spl/u-boot-spl.bin FORCE 853 $(call if_changed,mkimage) 854 855OBJCOPYFLAGS_u-boot.ais = -I binary -O binary --pad-to=$(CONFIG_SPL_MAX_SIZE) 856u-boot.ais: spl/u-boot-spl.ais u-boot.img FORCE 857 $(call if_changed,pad_cat) 858 859u-boot-signed.sb: u-boot.bin spl/u-boot-spl.bin 860 $(Q)$(MAKE) $(build)=arch/arm/cpu/arm926ejs/mxs $(objtree)/u-boot-signed.sb 861u-boot.sb: u-boot.bin spl/u-boot-spl.bin 862 $(Q)$(MAKE) $(build)=arch/arm/cpu/arm926ejs/mxs $(objtree)/u-boot.sb 863 864# On x600 (SPEAr600) U-Boot is appended to U-Boot SPL. 865# Both images are created using mkimage (crc etc), so that the ROM 866# bootloader can check its integrity. Padding needs to be done to the 867# SPL image (with mkimage header) and not the binary. Otherwise the resulting image 868# which is loaded/copied by the ROM bootloader to SRAM doesn't fit. 869# The resulting image containing both U-Boot images is called u-boot.spr 870MKIMAGEFLAGS_u-boot-spl.img = -A $(ARCH) -T firmware -C none \ 871 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER 872spl/u-boot-spl.img: spl/u-boot-spl.bin FORCE 873 $(call if_changed,mkimage) 874 875OBJCOPYFLAGS_u-boot.spr = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) \ 876 --gap-fill=0xff 877u-boot.spr: spl/u-boot-spl.img u-boot.img FORCE 878 $(call if_changed,pad_cat) 879 880ifneq ($(CONFIG_TEGRA),) 881OBJCOPYFLAGS_u-boot-nodtb-tegra.bin = -O binary --pad-to=$(CONFIG_SYS_TEXT_BASE) 882u-boot-nodtb-tegra.bin: spl/u-boot-spl u-boot.bin FORCE 883 $(call if_changed,pad_cat) 884 885ifeq ($(CONFIG_OF_SEPARATE),y) 886u-boot-dtb-tegra.bin: u-boot-nodtb-tegra.bin dts/dt.dtb FORCE 887 $(call if_changed,cat) 888endif 889endif 890 891u-boot-img.bin: spl/u-boot-spl.bin u-boot.img FORCE 892 $(call if_changed,cat) 893 894# PPC4xx needs the SPL at the end of the image, since the reset vector 895# is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target 896# and need to introduce a new build target with the full blown U-Boot 897# at the start padded up to the start of the SPL image. And then concat 898# the SPL image to the end. 899 900OBJCOPYFLAGS_u-boot-img-spl-at-end.bin := -I binary -O binary \ 901 --pad-to=$(CONFIG_UBOOT_PAD_TO) --gap-fill=0xff 902u-boot-img-spl-at-end.bin: u-boot.img spl/u-boot-spl.bin FORCE 903 $(call if_changed,pad_cat) 904 905# Create a new ELF from a raw binary file. This is useful for arm64 906# where static relocation needs to be performed on the raw binary, 907# but certain simulators only accept an ELF file (but don't do the 908# relocation). 909# FIXME refactor dts/Makefile to share target/arch detection 910u-boot.elf: u-boot.bin 911 @$(OBJCOPY) -B aarch64 -I binary -O elf64-littleaarch64 \ 912 $< u-boot-elf.o 913 @$(LD) u-boot-elf.o -o $@ \ 914 --defsym=_start=$(CONFIG_SYS_TEXT_BASE) \ 915 -Ttext=$(CONFIG_SYS_TEXT_BASE) 916 917# Rule to link u-boot 918# May be overridden by arch/$(ARCH)/config.mk 919quiet_cmd_u-boot__ ?= LD $@ 920 cmd_u-boot__ ?= $(LD) $(LDFLAGS) $(LDFLAGS_u-boot) -o $@ \ 921 -T u-boot.lds $(u-boot-init) \ 922 --start-group $(u-boot-main) --end-group \ 923 $(PLATFORM_LIBS) -Map u-boot.map 924 925u-boot: $(u-boot-init) $(u-boot-main) u-boot.lds 926 $(call if_changed,u-boot__) 927ifeq ($(CONFIG_KALLSYMS),y) 928 smap=`$(call SYSTEM_MAP,u-boot) | \ 929 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \ 930 $(CC) $(c_flags) -DSYSTEM_MAP="\"$${smap}\"" \ 931 -c $(srctree)/common/system_map.c -o common/system_map.o 932 $(call cmd,u-boot__) common/system_map.o 933endif 934 935# The actual objects are generated when descending, 936# make sure no implicit rule kicks in 937$(sort $(u-boot-init) $(u-boot-main)): $(u-boot-dirs) ; 938 939# Handle descending into subdirectories listed in $(vmlinux-dirs) 940# Preset locale variables to speed up the build process. Limit locale 941# tweaks to this spot to avoid wrong language settings when running 942# make menuconfig etc. 943# Error messages still appears in the original language 944 945PHONY += $(u-boot-dirs) 946$(u-boot-dirs): prepare scripts 947 $(Q)$(MAKE) $(build)=$@ 948 949tools: prepare 950# The "tools" are needed early 951$(filter-out tools, $(u-boot-dirs)): tools 952# The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC 953# is "yes"), so compile examples after U-Boot is compiled. 954examples: $(filter-out examples, $(u-boot-dirs)) 955 956define filechk_uboot.release 957 echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" 958endef 959 960# Store (new) UBOOTRELEASE string in include/config/uboot.release 961include/config/uboot.release: Makefile FORCE 962 $(call filechk,uboot.release) 963 964 965# Things we need to do before we recursively start building the kernel 966# or the modules are listed in "prepare". 967# A multi level approach is used. prepareN is processed before prepareN-1. 968# archprepare is used in arch Makefiles and when processed asm symlink, 969# version.h and scripts_basic is processed / created. 970 971# Listed in dependency order 972PHONY += prepare archprepare prepare0 prepare1 prepare2 prepare3 973 974# prepare3 is used to check if we are building in a separate output directory, 975# and if so do: 976# 1) Check that make has not been executed in the kernel src $(srctree) 977prepare3: include/config/uboot.release 978ifneq ($(KBUILD_SRC),) 979 @$(kecho) ' Using $(srctree) as source for u-boot' 980 $(Q)if [ -f $(srctree)/include/config.mk ]; then \ 981 echo >&2 " $(srctree) is not clean, please run 'make mrproper'"; \ 982 echo >&2 " in the '$(srctree)' directory.";\ 983 /bin/false; \ 984 fi; 985endif 986 987# prepare2 creates a makefile if using a separate output directory 988prepare2: prepare3 outputmakefile 989 990prepare1: prepare2 $(version_h) $(timestamp_h) 991ifeq ($(__HAVE_ARCH_GENERIC_BOARD),) 992ifeq ($(CONFIG_SYS_GENERIC_BOARD),y) 993 @echo >&2 " Your architecture does not support generic board." 994 @echo >&2 " Please undefine CONFIG_SYS_GENERIC_BOARD in your board config file." 995 @/bin/false 996endif 997endif 998ifeq ($(wildcard $(LDSCRIPT)),) 999 @echo >&2 " Could not find linker script." 1000 @/bin/false 1001endif 1002 1003archprepare: prepare1 scripts_basic 1004 1005prepare0: archprepare FORCE 1006 $(Q)$(MAKE) $(build)=. 1007 1008# All the preparing.. 1009prepare: prepare0 1010 1011# Generate some files 1012# --------------------------------------------------------------------------- 1013 1014define filechk_version.h 1015 (echo \#define PLAIN_VERSION \"$(UBOOTRELEASE)\"; \ 1016 echo \#define U_BOOT_VERSION \"U-Boot \" PLAIN_VERSION; \ 1017 echo \#define CC_VERSION_STRING \"$$($(CC) --version | head -n 1)\"; \ 1018 echo \#define LD_VERSION_STRING \"$$($(LD) --version | head -n 1)\"; ) 1019endef 1020 1021define filechk_timestamp.h 1022 (LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"'; \ 1023 LC_ALL=C date +'#define U_BOOT_TIME "%T"') 1024endef 1025 1026$(version_h): $(srctree)/Makefile FORCE 1027 $(call filechk,version.h) 1028 1029$(timestamp_h): $(srctree)/Makefile FORCE 1030 $(call filechk,timestamp.h) 1031 1032# 1033# Auto-generate the autoconf.mk file (which is included by all makefiles) 1034# 1035# This target actually generates 2 files; autoconf.mk and autoconf.mk.dep. 1036# the dep file is only include in this top level makefile to determine when 1037# to regenerate the autoconf.mk file. 1038 1039quiet_cmd_autoconf_dep = GEN $@ 1040 cmd_autoconf_dep = $(CC) -x c -DDO_DEPS_ONLY -M $(c_flags) \ 1041 -MQ include/autoconf.mk $(srctree)/include/common.h > $@ || rm $@ 1042 1043include/autoconf.mk.dep: include/config.h include/common.h 1044 $(call cmd,autoconf_dep) 1045 1046quiet_cmd_autoconf = GEN $@ 1047 cmd_autoconf = \ 1048 $(CPP) $(c_flags) -DDO_DEPS_ONLY -dM $(srctree)/include/common.h > $@.tmp && \ 1049 sed -n -f $(srctree)/tools/scripts/define2mk.sed $@.tmp > $@; \ 1050 rm $@.tmp 1051 1052include/autoconf.mk: include/config.h 1053 $(call cmd,autoconf) 1054 1055# --------------------------------------------------------------------------- 1056 1057PHONY += depend dep 1058depend dep: 1059 @echo '*** Warning: make $@ is unnecessary now.' 1060 1061# --------------------------------------------------------------------------- 1062quiet_cmd_cpp_lds = LDS $@ 1063cmd_cpp_lds = $(CPP) $(cpp_flags) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ \ 1064 -x assembler-with-cpp -P -o $@ $< 1065 1066u-boot.lds: $(LDSCRIPT) prepare FORCE 1067 $(call if_changed,cpp_lds) 1068 1069PHONY += nand_spl 1070nand_spl: prepare 1071 $(Q)$(MAKE) $(build)=nand_spl/board/$(BOARDDIR) all 1072 1073nand_spl/u-boot-spl-16k.bin: nand_spl 1074 @: 1075 1076u-boot-nand.bin: nand_spl/u-boot-spl-16k.bin u-boot.bin FORCE 1077 $(call if_changed,cat) 1078 1079spl/u-boot-spl.bin: spl/u-boot-spl 1080 @: 1081spl/u-boot-spl: tools prepare 1082 $(Q)$(MAKE) obj=spl -f $(srctree)/spl/Makefile all 1083 1084tpl/u-boot-tpl.bin: tools prepare 1085 $(Q)$(MAKE) obj=tpl -f $(srctree)/spl/Makefile all CONFIG_TPL_BUILD=y 1086 1087TAG_SUBDIRS := $(u-boot-dirs) include 1088 1089FIND := find 1090FINDFLAGS := -L 1091 1092tags ctags: 1093 ctags -w -o ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 1094 -name '*.[chS]' -print` 1095 1096etags: 1097 etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 1098 -name '*.[chS]' -print` 1099cscope: 1100 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \ 1101 cscope.files 1102 cscope -b -q -k 1103 1104SYSTEM_MAP = \ 1105 $(NM) $1 | \ 1106 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \ 1107 LC_ALL=C sort 1108System.map: u-boot 1109 @$(call SYSTEM_MAP,$<) > $@ 1110 1111checkthumb: 1112 @if test $(call cc-version) -lt 0404; then \ 1113 echo -n '*** Your GCC does not produce working '; \ 1114 echo 'binaries in THUMB mode.'; \ 1115 echo '*** Your board is configured for THUMB mode.'; \ 1116 false; \ 1117 fi 1118 1119# GCC 3.x is reported to have problems generating the type of relocation 1120# that U-Boot wants. 1121# See http://lists.denx.de/pipermail/u-boot/2012-September/135156.html 1122checkgcc4: 1123 @if test $(call cc-version) -lt 0400; then \ 1124 echo -n '*** Your GCC is too old, please upgrade to GCC 4.x or newer'; \ 1125 false; \ 1126 fi 1127 1128checkdtc: 1129 @if test $(call dtc-version) -lt 0104; then \ 1130 echo '*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \ 1131 false; \ 1132 fi 1133 1134######################################################################### 1135 1136# ARM relocations should all be R_ARM_RELATIVE (32-bit) or 1137# R_AARCH64_RELATIVE (64-bit). 1138checkarmreloc: u-boot 1139 @RELOC="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \ 1140 grep R_A | sort -u`"; \ 1141 if test "$$RELOC" != "R_ARM_RELATIVE" -a \ 1142 "$$RELOC" != "R_AARCH64_RELATIVE"; then \ 1143 echo "$< contains unexpected relocations: $$RELOC"; \ 1144 false; \ 1145 fi 1146 1147env: scripts_basic 1148 $(Q)$(MAKE) $(build)=tools/$@ 1149 1150tools-all: HOST_TOOLS_ALL=y 1151tools-all: env tools ; 1152 1153.PHONY : CHANGELOG 1154CHANGELOG: 1155 git log --no-merges U-Boot-1_1_5.. | \ 1156 unexpand -a | sed -e 's/\s\s*$$//' > $@ 1157 1158include/license.h: tools/bin2header COPYING 1159 cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h 1160######################################################################### 1161 1162### 1163# Cleaning is done on three levels. 1164# make clean Delete most generated files 1165# Leave enough to build external modules 1166# make mrproper Delete the current configuration, and all generated files 1167# make distclean Remove editor backup files, patch leftover files and the like 1168 1169# Directories & files removed with 'make clean' 1170CLEAN_DIRS += $(MODVERDIR) 1171CLEAN_FILES += u-boot.lds include/bmp_logo.h include/bmp_logo_data.h \ 1172 board/*/config.tmp board/*/*/config.tmp \ 1173 include/autoconf.mk* include/spl-autoconf.mk \ 1174 include/tpl-autoconf.mk 1175 1176# Directories & files removed with 'make clobber' 1177CLOBBER_DIRS += $(patsubst %,spl/%, $(filter-out Makefile, \ 1178 $(shell ls -1 spl 2>/dev/null))) \ 1179 tpl 1180CLOBBER_FILES += u-boot* MLO* SPL System.map nand_spl/u-boot* 1181 1182# Directories & files removed with 'make mrproper' 1183MRPROPER_DIRS += include/config include/generated 1184MRPROPER_FILES += .config .config.old \ 1185 tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS \ 1186 include/config.h include/config.mk 1187 1188# clean - Delete most, but leave enough to build external modules 1189# 1190clean: rm-dirs := $(CLEAN_DIRS) 1191clean: rm-files := $(CLEAN_FILES) 1192 1193clean-dirs := $(foreach f,$(u-boot-alldirs),$(if $(wildcard $f/Makefile),$f)) 1194 1195clean-dirs := $(addprefix _clean_, $(clean-dirs) doc/DocBook) 1196 1197PHONY += $(clean-dirs) clean archclean 1198$(clean-dirs): 1199 $(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@) 1200 1201# TODO: Do not use *.cfgtmp 1202clean: $(clean-dirs) 1203 $(call cmd,rmdirs) 1204 $(call cmd,rmfiles) 1205 @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \ 1206 \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \ 1207 -o -name '*.ko.*' -o -name '*.su' -o -name '*.cfgtmp' \ 1208 -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \ 1209 -o -name '*.symtypes' -o -name 'modules.order' \ 1210 -o -name modules.builtin -o -name '.tmp_*.o.*' \ 1211 -o -name '*.gcno' \) -type f -print | xargs rm -f 1212 @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \ 1213 -path './nand_spl/*' -type l -print | xargs rm -f 1214 1215# clobber 1216# 1217clobber: rm-dirs := $(CLOBBER_DIRS) 1218clobber: rm-files := $(CLOBBER_FILES) 1219 1220PHONY += clobber 1221 1222clobber: clean 1223 $(call cmd,rmdirs) 1224 $(call cmd,rmfiles) 1225 1226# mrproper - Delete all generated files, including .config 1227# 1228mrproper: rm-dirs := $(wildcard $(MRPROPER_DIRS)) 1229mrproper: rm-files := $(wildcard $(MRPROPER_FILES)) 1230mrproper-dirs := $(addprefix _mrproper_,scripts) 1231 1232PHONY += $(mrproper-dirs) mrproper archmrproper 1233$(mrproper-dirs): 1234 $(Q)$(MAKE) $(clean)=$(patsubst _mrproper_%,%,$@) 1235 1236mrproper: clobber $(mrproper-dirs) 1237 $(call cmd,rmdirs) 1238 $(call cmd,rmfiles) 1239 @rm -f arch/*/include/asm/arch arch/*/include/asm/proc 1240 1241# distclean 1242# 1243PHONY += distclean 1244 1245distclean: mrproper 1246 @find $(srctree) $(RCS_FIND_IGNORE) \ 1247 \( -name '*.orig' -o -name '*.rej' -o -name '*~' \ 1248 -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \ 1249 -o -name '.*.rej' \ 1250 -o -name '*%' -o -name '.*.cmd' -o -name 'core' \) \ 1251 -type f -print | xargs rm -f 1252 1253backup: 1254 F=`basename $(TOPDIR)` ; cd .. ; \ 1255 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F 1256 1257help: 1258 @echo 'Cleaning targets:' 1259 @echo ' clean - Remove most generated files but keep the config and' 1260 @echo ' necessities for testing u-boot' 1261 @echo ' clobber - Remove most generated files but keep the config' 1262 @echo ' mrproper - Remove all generated files + config + various backup files' 1263 @echo ' distclean - mrproper + remove editor backup and patch files' 1264 @echo '' 1265# uncomment after adding Kconfig feature 1266# @echo 'Configuration targets:' 1267# @$(MAKE) -f $(srctree)/scripts/kconfig/Makefile help 1268# @echo '' 1269 @echo 'Other generic targets:' 1270 @echo ' all - Build all necessary images depending on configuration' 1271 @echo ' u-boot - Build the bare u-boot' 1272 @echo ' dir/ - Build all files in dir and below' 1273 @echo ' dir/file.[oisS] - Build specified target only' 1274 @echo ' dir/file.lst - Build specified mixed source/assembly target only' 1275 @echo ' (requires a recent binutils and recent build (System.map))' 1276 @echo ' tags/TAGS - Generate tags file for editors' 1277 @echo ' cscope - Generate cscope index' 1278 @echo ' ubootrelease - Output the release version string' 1279 @echo ' ubootversion - Output the version stored in Makefile' 1280 @echo '' 1281 @echo 'Static analysers' 1282 @echo ' checkstack - Generate a list of stack hogs' 1283 @echo '' 1284 @echo 'Documentation targets:' 1285 @$(MAKE) -f $(srctree)/doc/DocBook/Makefile dochelp 1286 @echo '' 1287 @echo ' make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build' 1288 @echo ' make V=2 [targets] 2 => give reason for rebuild of target' 1289 @echo ' make O=dir [targets] Locate all output files in "dir", including .config' 1290 @echo ' make C=1 [targets] Check all c source with $$CHECK (sparse by default)' 1291 @echo ' make C=2 [targets] Force check of all c source with $$CHECK' 1292 @echo ' make RECORDMCOUNT_WARN=1 [targets] Warn about ignored mcount sections' 1293 @echo ' make W=n [targets] Enable extra gcc checks, n=1,2,3 where' 1294 @echo ' 1: warnings which may be relevant and do not occur too often' 1295 @echo ' 2: warnings which occur quite often but may still be relevant' 1296 @echo ' 3: more obscure warnings, can most likely be ignored' 1297 @echo ' Multiple levels can be combined with W=12 or W=123' 1298 @echo '' 1299 @echo 'Execute "make" or "make all" to build all targets marked with [*] ' 1300 @echo 'For further info see the ./README file' 1301 1302 1303# Documentation targets 1304# --------------------------------------------------------------------------- 1305%docs: scripts_basic FORCE 1306 $(Q)$(MAKE) $(build)=scripts build_docproc 1307 $(Q)$(MAKE) $(build)=doc/DocBook $@ 1308 1309# Dummies... 1310PHONY += prepare scripts 1311prepare: ; 1312scripts: ; 1313 1314endif #ifeq ($(config-targets),1) 1315endif #ifeq ($(mixed-targets),1) 1316 1317PHONY += checkstack ubootrelease ubootversion 1318 1319checkstack: 1320 $(OBJDUMP) -d u-boot $$(find . -name u-boot-spl) | \ 1321 $(PERL) $(src)/scripts/checkstack.pl $(ARCH) 1322 1323ubootrelease: 1324 @echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" 1325 1326ubootversion: 1327 @echo $(UBOOTVERSION) 1328 1329# Single targets 1330# --------------------------------------------------------------------------- 1331# Single targets are compatible with: 1332# - build with mixed source and output 1333# - build with separate output dir 'make O=...' 1334# - external modules 1335# 1336# target-dir => where to store outputfile 1337# build-dir => directory in kernel source tree to use 1338 1339ifeq ($(KBUILD_EXTMOD),) 1340 build-dir = $(patsubst %/,%,$(dir $@)) 1341 target-dir = $(dir $@) 1342else 1343 zap-slash=$(filter-out .,$(patsubst %/,%,$(dir $@))) 1344 build-dir = $(KBUILD_EXTMOD)$(if $(zap-slash),/$(zap-slash)) 1345 target-dir = $(if $(KBUILD_EXTMOD),$(dir $<),$(dir $@)) 1346endif 1347 1348%.s: %.c prepare scripts FORCE 1349 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1350%.i: %.c prepare scripts FORCE 1351 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1352%.o: %.c prepare scripts FORCE 1353 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1354%.lst: %.c prepare scripts FORCE 1355 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1356%.s: %.S prepare scripts FORCE 1357 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1358%.o: %.S prepare scripts FORCE 1359 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1360%.symtypes: %.c prepare scripts FORCE 1361 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1362 1363# Modules 1364/: prepare scripts FORCE 1365 $(cmd_crmodverdir) 1366 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 1367 $(build)=$(build-dir) 1368%/: prepare scripts FORCE 1369 $(cmd_crmodverdir) 1370 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 1371 $(build)=$(build-dir) 1372%.ko: prepare scripts FORCE 1373 $(cmd_crmodverdir) 1374 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 1375 $(build)=$(build-dir) $(@:.ko=.o) 1376 $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost 1377 1378# FIXME Should go into a make.lib or something 1379# =========================================================================== 1380 1381quiet_cmd_rmdirs = $(if $(wildcard $(rm-dirs)),CLEAN $(wildcard $(rm-dirs))) 1382 cmd_rmdirs = rm -rf $(rm-dirs) 1383 1384quiet_cmd_rmfiles = $(if $(wildcard $(rm-files)),CLEAN $(wildcard $(rm-files))) 1385 cmd_rmfiles = rm -f $(rm-files) 1386 1387# read all saved command lines 1388 1389targets := $(wildcard $(sort $(targets))) 1390cmd_files := $(wildcard .*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd)) 1391 1392ifneq ($(cmd_files),) 1393 $(cmd_files): ; # Do not try to update included dependency files 1394 include $(cmd_files) 1395endif 1396 1397# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.clean obj=dir 1398# Usage: 1399# $(Q)$(MAKE) $(clean)=dir 1400clean := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.clean obj 1401 1402endif # skip-makefile 1403 1404PHONY += FORCE 1405FORCE: 1406 1407# Declare the contents of the .PHONY variable as phony. We keep that 1408# information in a variable so we can use it in if_changed and friends. 1409.PHONY: $(PHONY) 1410