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 = -rc2 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) 172export SRCTREE OBJTREE SPLTREE TPLTREE 173 174MKCONFIG := $(SRCTREE)/mkconfig 175export MKCONFIG 176 177# Make sure CDPATH settings don't interfere 178unexport CDPATH 179 180######################################################################### 181 182HOSTARCH := $(shell uname -m | \ 183 sed -e s/i.86/x86/ \ 184 -e s/sun4u/sparc64/ \ 185 -e s/arm.*/arm/ \ 186 -e s/sa110/arm/ \ 187 -e s/ppc64/powerpc/ \ 188 -e s/ppc/powerpc/ \ 189 -e s/macppc/powerpc/\ 190 -e s/sh.*/sh/) 191 192HOSTOS := $(shell uname -s | tr '[:upper:]' '[:lower:]' | \ 193 sed -e 's/\(cygwin\).*/cygwin/') 194 195export HOSTARCH HOSTOS 196 197# Deal with colliding definitions from tcsh etc. 198VENDOR= 199 200######################################################################### 201 202# set default to nothing for native builds 203ifeq ($(HOSTARCH),$(ARCH)) 204CROSS_COMPILE ?= 205endif 206 207# SHELL used by kbuild 208CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \ 209 else if [ -x /bin/bash ]; then echo /bin/bash; \ 210 else echo sh; fi ; fi) 211 212HOSTCC = gcc 213HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer 214 215ifeq ($(HOSTOS),cygwin) 216HOSTCFLAGS += -ansi 217endif 218 219# Mac OS X / Darwin's C preprocessor is Apple specific. It 220# generates numerous errors and warnings. We want to bypass it 221# and use GNU C's cpp. To do this we pass the -traditional-cpp 222# option to the compiler. Note that the -traditional-cpp flag 223# DOES NOT have the same semantics as GNU C's flag, all it does 224# is invoke the GNU preprocessor in stock ANSI/ISO C fashion. 225# 226# Apple's linker is similar, thanks to the new 2 stage linking 227# multiple symbol definitions are treated as errors, hence the 228# -multiply_defined suppress option to turn off this error. 229# 230ifeq ($(HOSTOS),darwin) 231# get major and minor product version (e.g. '10' and '6' for Snow Leopard) 232DARWIN_MAJOR_VERSION = $(shell sw_vers -productVersion | cut -f 1 -d '.') 233DARWIN_MINOR_VERSION = $(shell sw_vers -productVersion | cut -f 2 -d '.') 234 235os_x_before = $(shell if [ $(DARWIN_MAJOR_VERSION) -le $(1) -a \ 236 $(DARWIN_MINOR_VERSION) -le $(2) ] ; then echo "$(3)"; else echo "$(4)"; fi ;) 237 238# Snow Leopards build environment has no longer restrictions as described above 239HOSTCC = $(call os_x_before, 10, 5, "cc", "gcc") 240HOSTCFLAGS += $(call os_x_before, 10, 4, "-traditional-cpp") 241HOSTLDFLAGS += $(call os_x_before, 10, 5, "-multiply_defined suppress") 242endif 243 244# Decide whether to build built-in, modular, or both. 245# Normally, just do built-in. 246 247KBUILD_MODULES := 248KBUILD_BUILTIN := 1 249 250# If we have only "make modules", don't compile built-in objects. 251# When we're building modules with modversions, we need to consider 252# the built-in objects during the descend as well, in order to 253# make sure the checksums are up to date before we record them. 254 255ifeq ($(MAKECMDGOALS),modules) 256 KBUILD_BUILTIN := $(if $(CONFIG_MODVERSIONS),1) 257endif 258 259# If we have "make <whatever> modules", compile modules 260# in addition to whatever we do anyway. 261# Just "make" or "make all" shall build modules as well 262 263# U-Boot does not need modules 264#ifneq ($(filter all _all modules,$(MAKECMDGOALS)),) 265# KBUILD_MODULES := 1 266#endif 267 268#ifeq ($(MAKECMDGOALS),) 269# KBUILD_MODULES := 1 270#endif 271 272export KBUILD_MODULES KBUILD_BUILTIN 273export KBUILD_CHECKSRC KBUILD_SRC KBUILD_EXTMOD 274 275# Beautify output 276# --------------------------------------------------------------------------- 277# 278# Normally, we echo the whole command before executing it. By making 279# that echo $($(quiet)$(cmd)), we now have the possibility to set 280# $(quiet) to choose other forms of output instead, e.g. 281# 282# quiet_cmd_cc_o_c = Compiling $(RELDIR)/$@ 283# cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $< 284# 285# If $(quiet) is empty, the whole command will be printed. 286# If it is set to "quiet_", only the short version will be printed. 287# If it is set to "silent_", nothing will be printed at all, since 288# the variable $(silent_cmd_cc_o_c) doesn't exist. 289# 290# A simple variant is to prefix commands with $(Q) - that's useful 291# for commands that shall be hidden in non-verbose mode. 292# 293# $(Q)ln $@ :< 294# 295# If KBUILD_VERBOSE equals 0 then the above command will be hidden. 296# If KBUILD_VERBOSE equals 1 then the above command is displayed. 297 298ifeq ($(KBUILD_VERBOSE),1) 299 quiet = 300 Q = 301else 302 quiet=quiet_ 303 Q = @ 304endif 305 306# If the user is running make -s (silent mode), suppress echoing of 307# commands 308 309ifneq ($(filter s% -s%,$(MAKEFLAGS)),) 310 quiet=silent_ 311endif 312 313export quiet Q KBUILD_VERBOSE 314 315 316# Look for make include files relative to root of kernel src 317MAKEFLAGS += --include-dir=$(srctree) 318 319# We need some generic definitions (do not try to remake the file). 320$(srctree)/scripts/Kbuild.include: ; 321include $(srctree)/scripts/Kbuild.include 322 323# Make variables (CC, etc...) 324 325AS = $(CROSS_COMPILE)as 326# Always use GNU ld 327ifneq ($(shell $(CROSS_COMPILE)ld.bfd -v 2> /dev/null),) 328LD = $(CROSS_COMPILE)ld.bfd 329else 330LD = $(CROSS_COMPILE)ld 331endif 332CC = $(CROSS_COMPILE)gcc 333CPP = $(CC) -E 334AR = $(CROSS_COMPILE)ar 335NM = $(CROSS_COMPILE)nm 336LDR = $(CROSS_COMPILE)ldr 337STRIP = $(CROSS_COMPILE)strip 338OBJCOPY = $(CROSS_COMPILE)objcopy 339OBJDUMP = $(CROSS_COMPILE)objdump 340AWK = awk 341RANLIB = $(CROSS_COMPILE)RANLIB 342DTC = dtc 343CHECK = sparse 344 345CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \ 346 -Wbitwise -Wno-return-void -D__CHECK_ENDIAN__ $(CF) 347 348KBUILD_CPPFLAGS := -D__KERNEL__ 349 350KBUILD_CFLAGS := -Wall -Wstrict-prototypes \ 351 -Wno-format-security \ 352 -fno-builtin -ffreestanding 353KBUILD_AFLAGS := -D__ASSEMBLY__ 354 355# Read UBOOTRELEASE from include/config/uboot.release (if it exists) 356UBOOTRELEASE = $(shell cat include/config/uboot.release 2> /dev/null) 357UBOOTVERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SUBLEVEL)))$(EXTRAVERSION) 358 359export VERSION PATCHLEVEL SUBLEVEL UBOOTRELEASE UBOOTVERSION 360export ARCH CPU BOARD VENDOR SOC CPUDIR BOARDDIR 361export CONFIG_SHELL HOSTCC HOSTCFLAGS HOSTLDFLAGS CROSS_COMPILE AS LD CC 362export CPP AR NM LDR STRIP OBJCOPY OBJDUMP 363export MAKE AWK 364export DTC CHECK CHECKFLAGS 365 366export KBUILD_CPPFLAGS NOSTDINC_FLAGS UBOOTINCLUDE OBJCOPYFLAGS LDFLAGS 367export KBUILD_CFLAGS KBUILD_AFLAGS 368 369# When compiling out-of-tree modules, put MODVERDIR in the module 370# tree rather than in the kernel tree. The kernel tree might 371# even be read-only. 372export MODVERDIR := $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/).tmp_versions 373 374# Files to ignore in find ... statements 375 376RCS_FIND_IGNORE := \( -name SCCS -o -name BitKeeper -o -name .svn -o -name CVS \ 377 -o -name .pc -o -name .hg -o -name .git \) -prune -o 378export RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn \ 379 --exclude CVS --exclude .pc --exclude .hg --exclude .git 380 381# =========================================================================== 382# Rules shared between *config targets and build targets 383 384# Basic helpers built in scripts/ 385PHONY += scripts_basic 386scripts_basic: 387 $(Q)$(MAKE) $(build)=scripts/basic 388 $(Q)rm -f .tmp_quiet_recordmcount 389 390# To avoid any implicit rule to kick in, define an empty command. 391scripts/basic/%: scripts_basic ; 392 393PHONY += outputmakefile 394# outputmakefile generates a Makefile in the output directory, if using a 395# separate output directory. This allows convenient use of make in the 396# output directory. 397outputmakefile: 398ifneq ($(KBUILD_SRC),) 399 $(Q)ln -fsn $(srctree) source 400 $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile \ 401 $(srctree) $(objtree) $(VERSION) $(PATCHLEVEL) 402endif 403 404# To make sure we do not include .config for any of the *config targets 405# catch them early, and hand them over to scripts/kconfig/Makefile 406# It is allowed to specify more targets when calling make, including 407# mixing *config targets and build targets. 408# For example 'make oldconfig all'. 409# Detect when mixed targets is specified, and make a second invocation 410# of make so .config is not included in this case either (for *config). 411 412version_h := include/generated/version_autogenerated.h 413timestamp_h := include/generated/timestamp_autogenerated.h 414 415no-dot-config-targets := clean clobber mrproper distclean \ 416 help %docs check% coccicheck \ 417 ubootversion backup 418 419config-targets := 0 420mixed-targets := 0 421dot-config := 1 422 423ifneq ($(filter $(no-dot-config-targets), $(MAKECMDGOALS)),) 424 ifeq ($(filter-out $(no-dot-config-targets), $(MAKECMDGOALS)),) 425 dot-config := 0 426 endif 427endif 428 429ifeq ($(KBUILD_EXTMOD),) 430 ifneq ($(filter config %config,$(MAKECMDGOALS)),) 431 config-targets := 1 432 ifneq ($(filter-out config %config,$(MAKECMDGOALS)),) 433 mixed-targets := 1 434 endif 435 endif 436endif 437 438ifeq ($(mixed-targets),1) 439# =========================================================================== 440# We're called with mixed targets (*config and build targets). 441# Handle them one by one. 442 443PHONY += $(MAKECMDGOALS) build-one-by-one 444 445$(MAKECMDGOALS): build-one-by-one 446 @: 447 448build-one-by-one: 449 $(Q)set -e; \ 450 for i in $(MAKECMDGOALS); do \ 451 $(MAKE) -f $(srctree)/Makefile $$i; \ 452 done 453 454else 455ifeq ($(config-targets),1) 456# =========================================================================== 457# *config targets only - make sure prerequisites are updated, and descend 458# in scripts/kconfig to make the *config target 459 460# Read arch specific Makefile to set KBUILD_DEFCONFIG as needed. 461# KBUILD_DEFCONFIG may point out an alternative default configuration 462# used for 'make defconfig' 463 464%_config:: outputmakefile 465 @$(MKCONFIG) -A $(@:_config=) 466 467else 468# =========================================================================== 469# Build targets only - this includes vmlinux, arch specific targets, clean 470# targets and others. In general all targets except *config targets. 471 472# load ARCH, BOARD, and CPU configuration 473-include include/config.mk 474 475ifeq ($(dot-config),1) 476# Read in config 477-include include/autoconf.mk 478-include include/autoconf.mk.dep 479 480# load other configuration 481include $(srctree)/config.mk 482 483ifeq ($(wildcard include/config.mk),) 484$(error "System not configured - see README") 485endif 486 487# If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use 488# that (or fail if absent). Otherwise, search for a linker script in a 489# standard location. 490 491ifndef LDSCRIPT 492 #LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds.debug 493 ifdef CONFIG_SYS_LDSCRIPT 494 # need to strip off double quotes 495 LDSCRIPT := $(srctree)/$(CONFIG_SYS_LDSCRIPT:"%"=%) 496 endif 497endif 498 499# If there is no specified link script, we look in a number of places for it 500ifndef LDSCRIPT 501 ifeq ($(CONFIG_NAND_U_BOOT),y) 502 LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-nand.lds 503 ifeq ($(wildcard $(LDSCRIPT)),) 504 LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-nand.lds 505 endif 506 endif 507 ifeq ($(wildcard $(LDSCRIPT)),) 508 LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds 509 endif 510 ifeq ($(wildcard $(LDSCRIPT)),) 511 LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot.lds 512 endif 513 ifeq ($(wildcard $(LDSCRIPT)),) 514 LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot.lds 515 endif 516endif 517 518else 519 520 521endif # $(dot-config) 522 523KBUILD_CFLAGS += -Os #-fomit-frame-pointer 524 525ifdef BUILD_TAG 526KBUILD_CFLAGS += -DBUILD_TAG='"$(BUILD_TAG)"' 527endif 528 529KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector) 530 531KBUILD_CFLAGS += -g 532# $(KBUILD_AFLAGS) sets -g, which causes gcc to pass a suitable -g<format> 533# option to the assembler. 534KBUILD_AFLAGS += -g 535 536# Report stack usage if supported 537ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-stack-usage.sh $(CC)),y) 538 KBUILD_CFLAGS += -fstack-usage 539endif 540 541KBUILD_CFLAGS += $(call cc-option,-Wno-format-nonliteral) 542 543# turn jbsr into jsr for m68k 544ifeq ($(ARCH),m68k) 545ifeq ($(findstring 3.4,$(shell $(CC) --version)),3.4) 546KBUILD_AFLAGS += -Wa,-gstabs,-S 547endif 548endif 549 550ifneq ($(CONFIG_SYS_TEXT_BASE),) 551KBUILD_CPPFLAGS += -DCONFIG_SYS_TEXT_BASE=$(CONFIG_SYS_TEXT_BASE) 552endif 553 554export CONFIG_SYS_TEXT_BASE 555 556# Use UBOOTINCLUDE when you must reference the include/ directory. 557# Needed to be compatible with the O= option 558UBOOTINCLUDE := \ 559 -Iinclude \ 560 $(if $(KBUILD_SRC), -I$(srctree)/include) \ 561 -I$(srctree)/arch/$(ARCH)/include 562 563NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include) 564CHECKFLAGS += $(NOSTDINC_FLAGS) 565 566# FIX ME 567cpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \ 568 $(NOSTDINC_FLAGS) 569c_flags := $(KBUILD_CFLAGS) $(cpp_flags) 570 571######################################################################### 572# U-Boot objects....order is important (i.e. start must be first) 573 574head-y := $(CPUDIR)/start.o 575head-$(CONFIG_4xx) += arch/powerpc/cpu/ppc4xx/resetvec.o 576head-$(CONFIG_MPC85xx) += arch/powerpc/cpu/mpc85xx/resetvec.o 577 578HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n) 579 580libs-y += lib/ 581libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/ 582libs-y += $(CPUDIR)/ 583ifdef SOC 584libs-y += $(CPUDIR)/$(SOC)/ 585endif 586libs-$(CONFIG_OF_EMBED) += dts/ 587libs-y += arch/$(ARCH)/lib/ 588libs-y += fs/ 589libs-y += net/ 590libs-y += disk/ 591libs-y += drivers/ 592libs-$(CONFIG_DM) += drivers/core/ 593libs-y += drivers/dma/ 594libs-y += drivers/gpio/ 595libs-y += drivers/i2c/ 596libs-y += drivers/input/ 597libs-y += drivers/mmc/ 598libs-y += drivers/mtd/ 599libs-$(CONFIG_CMD_NAND) += drivers/mtd/nand/ 600libs-y += drivers/mtd/onenand/ 601libs-$(CONFIG_CMD_UBI) += drivers/mtd/ubi/ 602libs-y += drivers/mtd/spi/ 603libs-y += drivers/net/ 604libs-y += drivers/net/phy/ 605libs-y += drivers/pci/ 606libs-y += drivers/power/ \ 607 drivers/power/fuel_gauge/ \ 608 drivers/power/mfd/ \ 609 drivers/power/pmic/ \ 610 drivers/power/battery/ 611libs-y += drivers/spi/ 612libs-$(CONFIG_FMAN_ENET) += drivers/net/fm/ 613libs-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/ 614libs-y += drivers/serial/ 615libs-y += drivers/usb/eth/ 616libs-y += drivers/usb/gadget/ 617libs-y += drivers/usb/host/ 618libs-y += drivers/usb/musb/ 619libs-y += drivers/usb/musb-new/ 620libs-y += drivers/usb/phy/ 621libs-y += drivers/usb/ulpi/ 622libs-y += common/ 623libs-y += lib/libfdt/ 624libs-$(CONFIG_API) += api/ 625libs-$(CONFIG_HAS_POST) += post/ 626libs-y += test/ 627libs-y += test/dm/ 628libs-$(CONFIG_DM_DEMO) += drivers/demo/ 629 630ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610)) 631libs-y += arch/$(ARCH)/imx-common/ 632endif 633 634libs-$(CONFIG_ARM) += arch/arm/cpu/ 635libs-$(CONFIG_PPC) += arch/powerpc/cpu/ 636 637libs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/) 638 639libs-y := $(sort $(libs-y)) 640 641u-boot-dirs := $(patsubst %/,%,$(filter %/, $(libs-y))) tools examples 642 643u-boot-alldirs := $(sort $(u-boot-dirs) $(patsubst %/,%,$(filter %/, $(libs-)))) 644 645libs-y := $(patsubst %/, %/built-in.o, $(libs-y)) 646 647u-boot-init := $(head-y) 648u-boot-main := $(libs-y) 649 650 651# Add GCC lib 652ifdef CONFIG_USE_PRIVATE_LIBGCC 653ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y) 654PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a 655else 656PLATFORM_LIBGCC = -L $(CONFIG_USE_PRIVATE_LIBGCC) -lgcc 657endif 658else 659PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(c_flags) -print-libgcc-file-name`) -lgcc 660endif 661PLATFORM_LIBS += $(PLATFORM_LIBGCC) 662export PLATFORM_LIBS 663 664# Special flags for CPP when processing the linker script. 665# Pass the version down so we can handle backwards compatibility 666# on the fly. 667LDPPFLAGS += \ 668 -include $(srctree)/include/u-boot/u-boot.lds.h \ 669 -DCPUDIR=$(CPUDIR) \ 670 $(shell $(LD) --version | \ 671 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 672 673######################################################################### 674######################################################################### 675 676ifneq ($(CONFIG_BOARD_SIZE_LIMIT),) 677BOARD_SIZE_CHECK = \ 678 @actual=`wc -c $@ | awk '{print $$1}'`; \ 679 limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \ 680 if test $$actual -gt $$limit; then \ 681 echo "$@ exceeds file size limit:" >&2 ; \ 682 echo " limit: $$limit bytes" >&2 ; \ 683 echo " actual: $$actual bytes" >&2 ; \ 684 echo " excess: $$((actual - limit)) bytes" >&2; \ 685 exit 1; \ 686 fi 687else 688BOARD_SIZE_CHECK = 689endif 690 691# Statically apply RELA-style relocations (currently arm64 only) 692ifneq ($(CONFIG_STATIC_RELA),) 693# $(1) is u-boot ELF, $(2) is u-boot bin, $(3) is text base 694DO_STATIC_RELA = \ 695 start=$$($(NM) $(1) | grep __rel_dyn_start | cut -f 1 -d ' '); \ 696 end=$$($(NM) $(1) | grep __rel_dyn_end | cut -f 1 -d ' '); \ 697 tools/relocate-rela $(2) $(3) $$start $$end 698else 699DO_STATIC_RELA = 700endif 701 702# Always append ALL so that arch config.mk's can add custom ones 703ALL-y += u-boot.srec u-boot.bin System.map 704 705ALL-$(CONFIG_NAND_U_BOOT) += u-boot-nand.bin 706ALL-$(CONFIG_ONENAND_U_BOOT) += u-boot-onenand.bin 707ALL-$(CONFIG_RAMBOOT_PBL) += u-boot.pbl 708ALL-$(CONFIG_SPL) += spl/u-boot-spl.bin 709ALL-$(CONFIG_SPL_FRAMEWORK) += u-boot.img 710ALL-$(CONFIG_TPL) += tpl/u-boot-tpl.bin 711ALL-$(CONFIG_OF_SEPARATE) += u-boot.dtb u-boot-dtb.bin 712ALL-$(CONFIG_OF_HOSTFILE) += u-boot.dtb 713ifneq ($(CONFIG_SPL_TARGET),) 714ALL-$(CONFIG_SPL) += $(CONFIG_SPL_TARGET:"%"=%) 715endif 716ALL-$(CONFIG_REMAKE_ELF) += u-boot.elf 717 718# enable combined SPL/u-boot/dtb rules for tegra 719ifneq ($(CONFIG_TEGRA),) 720ifeq ($(CONFIG_SPL),y) 721ifeq ($(CONFIG_OF_SEPARATE),y) 722ALL-y += u-boot-dtb-tegra.bin 723else 724ALL-y += u-boot-nodtb-tegra.bin 725endif 726endif 727endif 728 729LDFLAGS_u-boot += $(LDFLAGS_FINAL) 730ifneq ($(CONFIG_SYS_TEXT_BASE),) 731LDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE) 732endif 733 734quiet_cmd_objcopy = OBJCOPY $@ 735cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@ 736 737quiet_cmd_mkimage = UIMAGE $@ 738cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \ 739 $(if $(KBUILD_VERBOSE:1=), >/dev/null) 740 741quiet_cmd_cat = CAT $@ 742cmd_cat = cat $(filter-out $(PHONY), $^) > $@ 743 744append = cat $(filter-out $< $(PHONY), $^) >> $@ 745 746quiet_cmd_pad_cat = CAT $@ 747cmd_pad_cat = $(cmd_objcopy) && $(append) || rm -f $@ 748 749all: $(ALL-y) 750 751PHONY += dtbs 752dtbs dts/dt.dtb: checkdtc u-boot 753 $(Q)$(MAKE) $(build)=dts dtbs 754 755u-boot-dtb.bin: u-boot.bin dts/dt.dtb FORCE 756 $(call if_changed,cat) 757 758quiet_cmd_copy = COPY $@ 759 cmd_copy = cp $< $@ 760 761u-boot.dtb: dts/dt.dtb 762 $(call cmd,copy) 763 764OBJCOPYFLAGS_u-boot.hex := -O ihex 765 766OBJCOPYFLAGS_u-boot.srec := -O srec 767 768u-boot.hex u-boot.srec: u-boot FORCE 769 $(call if_changed,objcopy) 770 771OBJCOPYFLAGS_u-boot.bin := -O binary 772 773u-boot.bin: u-boot FORCE 774 $(call if_changed,objcopy) 775 $(call DO_STATIC_RELA,$<,$@,$(CONFIG_SYS_TEXT_BASE)) 776 $(BOARD_SIZE_CHECK) 777 778u-boot.ldr: u-boot 779 $(CREATE_LDR_ENV) 780 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS) 781 $(BOARD_SIZE_CHECK) 782 783OBJCOPYFLAGS_u-boot.ldr.hex := -I binary -O ihex 784 785OBJCOPYFLAGS_u-boot.ldr.srec := -I binary -O srec 786 787u-boot.ldr.hex u-boot.ldr.srec: u-boot.ldr FORCE 788 $(call if_changed,objcopy) 789 790# 791# U-Boot entry point, needed for booting of full-blown U-Boot 792# from the SPL U-Boot version. 793# 794ifndef CONFIG_SYS_UBOOT_START 795CONFIG_SYS_UBOOT_START := 0 796endif 797 798MKIMAGEFLAGS_u-boot.img = -A $(ARCH) -T firmware -C none -O u-boot \ 799 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \ 800 -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board" 801 802MKIMAGEFLAGS_u-boot.kwb = -n $(srctree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%) \ 803 -T kwbimage -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) 804 805MKIMAGEFLAGS_u-boot.pbl = -n $(srctree)/$(CONFIG_SYS_FSL_PBL_RCW:"%"=%) \ 806 -R $(srctree)/$(CONFIG_SYS_FSL_PBL_PBI:"%"=%) -T pblimage 807 808u-boot.img u-boot.kwb u-boot.pbl: u-boot.bin FORCE 809 $(call if_changed,mkimage) 810 811u-boot.imx: u-boot.bin 812 $(Q)$(MAKE) $(build)=arch/arm/imx-common $@ 813 814u-boot.sha1: u-boot.bin 815 tools/ubsha1 u-boot.bin 816 817u-boot.dis: u-boot 818 $(OBJDUMP) -d $< > $@ 819 820ifdef CONFIG_TPL 821SPL_PAYLOAD := tpl/u-boot-with-tpl.bin 822else 823SPL_PAYLOAD := u-boot.bin 824endif 825 826OBJCOPYFLAGS_u-boot-with-spl.bin = -I binary -O binary \ 827 --pad-to=$(CONFIG_SPL_PAD_TO) 828u-boot-with-spl.bin: spl/u-boot-spl.bin $(SPL_PAYLOAD) FORCE 829 $(call if_changed,pad_cat) 830 831OBJCOPYFLAGS_u-boot-with-tpl.bin = -I binary -O binary \ 832 --pad-to=$(CONFIG_TPL_PAD_TO) 833tpl/u-boot-with-tpl.bin: tpl/u-boot-tpl.bin u-boot.bin FORCE 834 $(call if_changed,pad_cat) 835 836SPL: spl/u-boot-spl.bin FORCE 837 $(Q)$(MAKE) $(build)=arch/arm/imx-common $@ 838 839u-boot-with-spl.imx u-boot-with-nand-spl.imx: SPL u-boot.bin FORCE 840 $(Q)$(MAKE) $(build)=arch/arm/imx-common $@ 841 842MKIMAGEFLAGS_u-boot.ubl = -n $(UBL_CONFIG) -T ublimage -e $(CONFIG_SYS_TEXT_BASE) 843 844u-boot.ubl: u-boot-with-spl.bin FORCE 845 $(call if_changed,mkimage) 846 847MKIMAGEFLAGS_u-boot-spl.ais = -s -n $(if $(CONFIG_AIS_CONFIG_FILE), \ 848 $(srctree)/$(CONFIG_AIS_CONFIG_FILE:"%"=%),"/dev/null") \ 849 -T aisimage -e $(CONFIG_SPL_TEXT_BASE) 850spl/u-boot-spl.ais: spl/u-boot-spl.bin FORCE 851 $(call if_changed,mkimage) 852 853OBJCOPYFLAGS_u-boot.ais = -I binary -O binary --pad-to=$(CONFIG_SPL_MAX_SIZE) 854u-boot.ais: spl/u-boot-spl.ais u-boot.img FORCE 855 $(call if_changed,pad_cat) 856 857u-boot.sb: u-boot.bin spl/u-boot-spl.bin 858 $(Q)$(MAKE) $(build)=arch/arm/cpu/arm926ejs/mxs u-boot.sb 859 860# On x600 (SPEAr600) U-Boot is appended to U-Boot SPL. 861# Both images are created using mkimage (crc etc), so that the ROM 862# bootloader can check its integrity. Padding needs to be done to the 863# SPL image (with mkimage header) and not the binary. Otherwise the resulting image 864# which is loaded/copied by the ROM bootloader to SRAM doesn't fit. 865# The resulting image containing both U-Boot images is called u-boot.spr 866MKIMAGEFLAGS_u-boot-spl.img = -A $(ARCH) -T firmware -C none \ 867 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER 868spl/u-boot-spl.img: spl/u-boot-spl.bin FORCE 869 $(call if_changed,mkimage) 870 871OBJCOPYFLAGS_u-boot.spr = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) \ 872 --gap-fill=0xff 873u-boot.spr: spl/u-boot-spl.img u-boot.img FORCE 874 $(call if_changed,pad_cat) 875 876ifneq ($(CONFIG_TEGRA),) 877OBJCOPYFLAGS_u-boot-nodtb-tegra.bin = -O binary --pad-to=$(CONFIG_SYS_TEXT_BASE) 878u-boot-nodtb-tegra.bin: spl/u-boot-spl u-boot.bin FORCE 879 $(call if_changed,pad_cat) 880 881ifeq ($(CONFIG_OF_SEPARATE),y) 882u-boot-dtb-tegra.bin: u-boot-nodtb-tegra.bin dts/dt.dtb FORCE 883 $(call if_changed,cat) 884endif 885endif 886 887u-boot-img.bin: spl/u-boot-spl.bin u-boot.img FORCE 888 $(call if_changed,cat) 889 890# PPC4xx needs the SPL at the end of the image, since the reset vector 891# is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target 892# and need to introduce a new build target with the full blown U-Boot 893# at the start padded up to the start of the SPL image. And then concat 894# the SPL image to the end. 895 896OBJCOPYFLAGS_u-boot-img-spl-at-end.bin := -I binary -O binary \ 897 --pad-to=$(CONFIG_UBOOT_PAD_TO) --gap-fill=0xff 898u-boot-img-spl-at-end.bin: u-boot.img spl/u-boot-spl.bin FORCE 899 $(call if_changed,pad_cat) 900 901# Create a new ELF from a raw binary file. This is useful for arm64 902# where static relocation needs to be performed on the raw binary, 903# but certain simulators only accept an ELF file (but don't do the 904# relocation). 905# FIXME refactor dts/Makefile to share target/arch detection 906u-boot.elf: u-boot.bin 907 @$(OBJCOPY) -B aarch64 -I binary -O elf64-littleaarch64 \ 908 $< u-boot-elf.o 909 @$(LD) u-boot-elf.o -o $@ \ 910 --defsym=_start=$(CONFIG_SYS_TEXT_BASE) \ 911 -Ttext=$(CONFIG_SYS_TEXT_BASE) 912 913# Rule to link u-boot 914# May be overridden by arch/$(ARCH)/config.mk 915quiet_cmd_u-boot__ ?= LD $@ 916 cmd_u-boot__ ?= $(LD) $(LDFLAGS) $(LDFLAGS_u-boot) -o $@ \ 917 -T u-boot.lds $(u-boot-init) \ 918 --start-group $(u-boot-main) --end-group \ 919 $(PLATFORM_LIBS) -Map u-boot.map 920 921u-boot: $(u-boot-init) $(u-boot-main) u-boot.lds 922 $(call if_changed,u-boot__) 923ifeq ($(CONFIG_KALLSYMS),y) 924 smap=`$(call SYSTEM_MAP,u-boot) | \ 925 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \ 926 $(CC) $(c_flags) -DSYSTEM_MAP="\"$${smap}\"" \ 927 -c $(srctree)/common/system_map.c -o common/system_map.o 928 $(call cmd,u-boot__) common/system_map.o 929endif 930 931# The actual objects are generated when descending, 932# make sure no implicit rule kicks in 933$(sort $(u-boot-init) $(u-boot-main)): $(u-boot-dirs) ; 934 935# Handle descending into subdirectories listed in $(vmlinux-dirs) 936# Preset locale variables to speed up the build process. Limit locale 937# tweaks to this spot to avoid wrong language settings when running 938# make menuconfig etc. 939# Error messages still appears in the original language 940 941PHONY += $(u-boot-dirs) 942$(u-boot-dirs): prepare scripts 943 $(Q)$(MAKE) $(build)=$@ 944 945tools: prepare 946# The "tools" are needed early 947$(filter-out tools, $(u-boot-dirs)): tools 948# The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC 949# is "yes"), so compile examples after U-Boot is compiled. 950examples: $(filter-out examples, $(u-boot-dirs)) 951 952define filechk_uboot.release 953 echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" 954endef 955 956# Store (new) UBOOTRELEASE string in include/config/uboot.release 957include/config/uboot.release: Makefile FORCE 958 $(call filechk,uboot.release) 959 960 961# Things we need to do before we recursively start building the kernel 962# or the modules are listed in "prepare". 963# A multi level approach is used. prepareN is processed before prepareN-1. 964# archprepare is used in arch Makefiles and when processed asm symlink, 965# version.h and scripts_basic is processed / created. 966 967# Listed in dependency order 968PHONY += prepare archprepare prepare0 prepare1 prepare2 prepare3 969 970# prepare3 is used to check if we are building in a separate output directory, 971# and if so do: 972# 1) Check that make has not been executed in the kernel src $(srctree) 973prepare3: include/config/uboot.release 974ifneq ($(KBUILD_SRC),) 975 @$(kecho) ' Using $(srctree) as source for u-boot' 976 $(Q)if [ -f $(srctree)/include/config.mk ]; then \ 977 echo >&2 " $(srctree) is not clean, please run 'make mrproper'"; \ 978 echo >&2 " in the '$(srctree)' directory.";\ 979 /bin/false; \ 980 fi; 981endif 982 983# prepare2 creates a makefile if using a separate output directory 984prepare2: prepare3 outputmakefile 985 986prepare1: prepare2 $(version_h) $(timestamp_h) 987ifeq ($(__HAVE_ARCH_GENERIC_BOARD),) 988ifeq ($(CONFIG_SYS_GENERIC_BOARD),y) 989 @echo >&2 " Your architecture does not support generic board." 990 @echo >&2 " Please undefine CONFIG_SYS_GENERIC_BOARD in your board config file." 991 @/bin/false 992endif 993endif 994ifeq ($(wildcard $(LDSCRIPT)),) 995 @echo >&2 " Could not find linker script." 996 @/bin/false 997endif 998 999archprepare: prepare1 scripts_basic 1000 1001prepare0: archprepare FORCE 1002 $(Q)$(MAKE) $(build)=. 1003 1004# All the preparing.. 1005prepare: prepare0 1006 1007# Generate some files 1008# --------------------------------------------------------------------------- 1009 1010define filechk_version.h 1011 (echo \#define PLAIN_VERSION \"$(UBOOTRELEASE)\"; \ 1012 echo \#define U_BOOT_VERSION \"U-Boot \" PLAIN_VERSION; \ 1013 echo \#define CC_VERSION_STRING \"$$($(CC) --version | head -n 1)\"; \ 1014 echo \#define LD_VERSION_STRING \"$$($(LD) --version | head -n 1)\"; ) 1015endef 1016 1017define filechk_timestamp.h 1018 (LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"'; \ 1019 LC_ALL=C date +'#define U_BOOT_TIME "%T"') 1020endef 1021 1022$(version_h): include/config/uboot.release FORCE 1023 $(call filechk,version.h) 1024 1025$(timestamp_h): $(srctree)/Makefile FORCE 1026 $(call filechk,timestamp.h) 1027 1028# 1029# Auto-generate the autoconf.mk file (which is included by all makefiles) 1030# 1031# This target actually generates 2 files; autoconf.mk and autoconf.mk.dep. 1032# the dep file is only include in this top level makefile to determine when 1033# to regenerate the autoconf.mk file. 1034 1035quiet_cmd_autoconf_dep = GEN $@ 1036 cmd_autoconf_dep = $(CC) -x c -DDO_DEPS_ONLY -M $(c_flags) \ 1037 -MQ include/autoconf.mk $(srctree)/include/common.h > $@ || rm $@ 1038 1039include/autoconf.mk.dep: include/config.h include/common.h 1040 $(call cmd,autoconf_dep) 1041 1042quiet_cmd_autoconf = GEN $@ 1043 cmd_autoconf = \ 1044 $(CPP) $(c_flags) -DDO_DEPS_ONLY -dM $(srctree)/include/common.h > $@.tmp && \ 1045 sed -n -f $(srctree)/tools/scripts/define2mk.sed $@.tmp > $@; \ 1046 rm $@.tmp 1047 1048include/autoconf.mk: include/config.h 1049 $(call cmd,autoconf) 1050 1051# --------------------------------------------------------------------------- 1052 1053PHONY += depend dep 1054depend dep: 1055 @echo '*** Warning: make $@ is unnecessary now.' 1056 1057# --------------------------------------------------------------------------- 1058quiet_cmd_cpp_lds = LDS $@ 1059cmd_cpp_lds = $(CPP) $(cpp_flags) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ \ 1060 -x assembler-with-cpp -P -o $@ $< 1061 1062u-boot.lds: $(LDSCRIPT) prepare FORCE 1063 $(call if_changed,cpp_lds) 1064 1065PHONY += nand_spl 1066nand_spl: prepare 1067 $(Q)$(MAKE) $(build)=nand_spl/board/$(BOARDDIR) all 1068 @echo >&2 1069 @echo >&2 "==================== WARNING =====================" 1070 @echo >&2 "nand_spl will not be included in v2014.07 release." 1071 @echo >&2 "Please switch over to SPL." 1072 @echo >&2 "Otherwise, this board will be removed." 1073 @echo >&2 "==================================================" 1074 @echo >&2 1075 1076nand_spl/u-boot-spl-16k.bin: nand_spl 1077 @: 1078 1079u-boot-nand.bin: nand_spl/u-boot-spl-16k.bin u-boot.bin FORCE 1080 $(call if_changed,cat) 1081 1082spl/u-boot-spl.bin: spl/u-boot-spl 1083 @: 1084spl/u-boot-spl: tools prepare 1085 $(Q)$(MAKE) obj=spl -f $(srctree)/spl/Makefile all 1086 1087tpl/u-boot-tpl.bin: tools prepare 1088 $(Q)$(MAKE) obj=tpl -f $(srctree)/spl/Makefile all CONFIG_TPL_BUILD=y 1089 1090TAG_SUBDIRS := $(u-boot-dirs) include 1091 1092FIND := find 1093FINDFLAGS := -L 1094 1095tags ctags: 1096 ctags -w -o ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 1097 -name '*.[chS]' -print` 1098 1099etags: 1100 etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 1101 -name '*.[chS]' -print` 1102cscope: 1103 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \ 1104 cscope.files 1105 cscope -b -q -k 1106 1107SYSTEM_MAP = \ 1108 $(NM) $1 | \ 1109 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \ 1110 LC_ALL=C sort 1111System.map: u-boot 1112 @$(call SYSTEM_MAP,$<) > $@ 1113 1114checkdtc: 1115 @if test $(call dtc-version) -lt 0104; then \ 1116 echo '*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \ 1117 false; \ 1118 fi 1119 1120######################################################################### 1121 1122# ARM relocations should all be R_ARM_RELATIVE (32-bit) or 1123# R_AARCH64_RELATIVE (64-bit). 1124checkarmreloc: u-boot 1125 @RELOC="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \ 1126 grep R_A | sort -u`"; \ 1127 if test "$$RELOC" != "R_ARM_RELATIVE" -a \ 1128 "$$RELOC" != "R_AARCH64_RELATIVE"; then \ 1129 echo "$< contains unexpected relocations: $$RELOC"; \ 1130 false; \ 1131 fi 1132 1133env: scripts_basic 1134 $(Q)$(MAKE) $(build)=tools/$@ 1135 1136tools-all: export HOST_TOOLS_ALL=y 1137tools-all: env tools ; 1138 1139cross_tools: export CROSS_BUILD_TOOLS=y 1140cross_tools: tools ; 1141 1142.PHONY : CHANGELOG 1143CHANGELOG: 1144 git log --no-merges U-Boot-1_1_5.. | \ 1145 unexpand -a | sed -e 's/\s\s*$$//' > $@ 1146 1147include/license.h: tools/bin2header COPYING 1148 cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h 1149######################################################################### 1150 1151### 1152# Cleaning is done on three levels. 1153# make clean Delete most generated files 1154# Leave enough to build external modules 1155# make mrproper Delete the current configuration, and all generated files 1156# make distclean Remove editor backup files, patch leftover files and the like 1157 1158# Directories & files removed with 'make clean' 1159CLEAN_DIRS += $(MODVERDIR) 1160CLEAN_FILES += u-boot.lds include/bmp_logo.h include/bmp_logo_data.h \ 1161 include/autoconf.mk* include/spl-autoconf.mk \ 1162 include/tpl-autoconf.mk 1163 1164# Directories & files removed with 'make clobber' 1165CLOBBER_DIRS += $(patsubst %,spl/%, $(filter-out Makefile, \ 1166 $(shell ls -1 spl 2>/dev/null))) \ 1167 tpl 1168CLOBBER_FILES += u-boot* MLO* SPL System.map nand_spl/u-boot* 1169 1170# Directories & files removed with 'make mrproper' 1171MRPROPER_DIRS += include/config include/generated 1172MRPROPER_FILES += .config .config.old \ 1173 tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS \ 1174 include/config.h include/config.mk 1175 1176# clean - Delete most, but leave enough to build external modules 1177# 1178clean: rm-dirs := $(CLEAN_DIRS) 1179clean: rm-files := $(CLEAN_FILES) 1180 1181clean-dirs := $(foreach f,$(u-boot-alldirs),$(if $(wildcard $f/Makefile),$f)) 1182 1183clean-dirs := $(addprefix _clean_, $(clean-dirs) doc/DocBook) 1184 1185PHONY += $(clean-dirs) clean archclean 1186$(clean-dirs): 1187 $(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@) 1188 1189# TODO: Do not use *.cfgtmp 1190clean: $(clean-dirs) 1191 $(call cmd,rmdirs) 1192 $(call cmd,rmfiles) 1193 @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \ 1194 \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \ 1195 -o -name '*.ko.*' -o -name '*.su' -o -name '*.cfgtmp' \ 1196 -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \ 1197 -o -name '*.symtypes' -o -name 'modules.order' \ 1198 -o -name modules.builtin -o -name '.tmp_*.o.*' \ 1199 -o -name '*.gcno' \) -type f -print | xargs rm -f 1200 @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \ 1201 -path './nand_spl/*' -type l -print | xargs rm -f 1202 1203# clobber 1204# 1205clobber: rm-dirs := $(CLOBBER_DIRS) 1206clobber: rm-files := $(CLOBBER_FILES) 1207 1208PHONY += clobber 1209 1210clobber: clean 1211 $(call cmd,rmdirs) 1212 $(call cmd,rmfiles) 1213 1214# mrproper - Delete all generated files, including .config 1215# 1216mrproper: rm-dirs := $(wildcard $(MRPROPER_DIRS)) 1217mrproper: rm-files := $(wildcard $(MRPROPER_FILES)) 1218mrproper-dirs := $(addprefix _mrproper_,scripts) 1219 1220PHONY += $(mrproper-dirs) mrproper archmrproper 1221$(mrproper-dirs): 1222 $(Q)$(MAKE) $(clean)=$(patsubst _mrproper_%,%,$@) 1223 1224mrproper: clobber $(mrproper-dirs) 1225 $(call cmd,rmdirs) 1226 $(call cmd,rmfiles) 1227 @rm -f arch/*/include/asm/arch arch/*/include/asm/proc 1228 1229# distclean 1230# 1231PHONY += distclean 1232 1233distclean: mrproper 1234 @find $(srctree) $(RCS_FIND_IGNORE) \ 1235 \( -name '*.orig' -o -name '*.rej' -o -name '*~' \ 1236 -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \ 1237 -o -name '.*.rej' \ 1238 -o -name '*%' -o -name '.*.cmd' -o -name 'core' \) \ 1239 -type f -print | xargs rm -f 1240 1241backup: 1242 F=`basename $(srctree)` ; cd .. ; \ 1243 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F 1244 1245help: 1246 @echo 'Cleaning targets:' 1247 @echo ' clean - Remove most generated files but keep the config and' 1248 @echo ' necessities for testing u-boot' 1249 @echo ' clobber - Remove most generated files but keep the config' 1250 @echo ' mrproper - Remove all generated files + config + various backup files' 1251 @echo ' distclean - mrproper + remove editor backup and patch files' 1252 @echo '' 1253# uncomment after adding Kconfig feature 1254# @echo 'Configuration targets:' 1255# @$(MAKE) -f $(srctree)/scripts/kconfig/Makefile help 1256# @echo '' 1257 @echo 'Other generic targets:' 1258 @echo ' all - Build all necessary images depending on configuration' 1259 @echo ' u-boot - Build the bare u-boot' 1260 @echo ' dir/ - Build all files in dir and below' 1261 @echo ' dir/file.[oisS] - Build specified target only' 1262 @echo ' dir/file.lst - Build specified mixed source/assembly target only' 1263 @echo ' (requires a recent binutils and recent build (System.map))' 1264 @echo ' tags/TAGS - Generate tags file for editors' 1265 @echo ' cscope - Generate cscope index' 1266 @echo ' ubootrelease - Output the release version string' 1267 @echo ' ubootversion - Output the version stored in Makefile' 1268 @echo '' 1269 @echo 'Static analysers' 1270 @echo ' checkstack - Generate a list of stack hogs' 1271 @echo '' 1272 @echo 'Documentation targets:' 1273 @$(MAKE) -f $(srctree)/doc/DocBook/Makefile dochelp 1274 @echo '' 1275 @echo ' make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build' 1276 @echo ' make V=2 [targets] 2 => give reason for rebuild of target' 1277 @echo ' make O=dir [targets] Locate all output files in "dir", including .config' 1278 @echo ' make C=1 [targets] Check all c source with $$CHECK (sparse by default)' 1279 @echo ' make C=2 [targets] Force check of all c source with $$CHECK' 1280 @echo ' make RECORDMCOUNT_WARN=1 [targets] Warn about ignored mcount sections' 1281 @echo ' make W=n [targets] Enable extra gcc checks, n=1,2,3 where' 1282 @echo ' 1: warnings which may be relevant and do not occur too often' 1283 @echo ' 2: warnings which occur quite often but may still be relevant' 1284 @echo ' 3: more obscure warnings, can most likely be ignored' 1285 @echo ' Multiple levels can be combined with W=12 or W=123' 1286 @echo '' 1287 @echo 'Execute "make" or "make all" to build all targets marked with [*] ' 1288 @echo 'For further info see the ./README file' 1289 1290 1291# Documentation targets 1292# --------------------------------------------------------------------------- 1293%docs: scripts_basic FORCE 1294 $(Q)$(MAKE) $(build)=scripts build_docproc 1295 $(Q)$(MAKE) $(build)=doc/DocBook $@ 1296 1297# Dummies... 1298PHONY += prepare scripts 1299prepare: ; 1300scripts: ; 1301 1302endif #ifeq ($(config-targets),1) 1303endif #ifeq ($(mixed-targets),1) 1304 1305PHONY += checkstack ubootrelease ubootversion 1306 1307checkstack: 1308 $(OBJDUMP) -d u-boot $$(find . -name u-boot-spl) | \ 1309 $(PERL) $(src)/scripts/checkstack.pl $(ARCH) 1310 1311ubootrelease: 1312 @echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" 1313 1314ubootversion: 1315 @echo $(UBOOTVERSION) 1316 1317# Single targets 1318# --------------------------------------------------------------------------- 1319# Single targets are compatible with: 1320# - build with mixed source and output 1321# - build with separate output dir 'make O=...' 1322# - external modules 1323# 1324# target-dir => where to store outputfile 1325# build-dir => directory in kernel source tree to use 1326 1327ifeq ($(KBUILD_EXTMOD),) 1328 build-dir = $(patsubst %/,%,$(dir $@)) 1329 target-dir = $(dir $@) 1330else 1331 zap-slash=$(filter-out .,$(patsubst %/,%,$(dir $@))) 1332 build-dir = $(KBUILD_EXTMOD)$(if $(zap-slash),/$(zap-slash)) 1333 target-dir = $(if $(KBUILD_EXTMOD),$(dir $<),$(dir $@)) 1334endif 1335 1336%.s: %.c prepare scripts FORCE 1337 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1338%.i: %.c prepare scripts FORCE 1339 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1340%.o: %.c prepare scripts FORCE 1341 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1342%.lst: %.c prepare scripts FORCE 1343 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1344%.s: %.S prepare scripts FORCE 1345 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1346%.o: %.S prepare scripts FORCE 1347 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1348%.symtypes: %.c prepare scripts FORCE 1349 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1350 1351# Modules 1352/: prepare scripts FORCE 1353 $(cmd_crmodverdir) 1354 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 1355 $(build)=$(build-dir) 1356%/: prepare scripts FORCE 1357 $(cmd_crmodverdir) 1358 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 1359 $(build)=$(build-dir) 1360%.ko: prepare scripts FORCE 1361 $(cmd_crmodverdir) 1362 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 1363 $(build)=$(build-dir) $(@:.ko=.o) 1364 $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost 1365 1366# FIXME Should go into a make.lib or something 1367# =========================================================================== 1368 1369quiet_cmd_rmdirs = $(if $(wildcard $(rm-dirs)),CLEAN $(wildcard $(rm-dirs))) 1370 cmd_rmdirs = rm -rf $(rm-dirs) 1371 1372quiet_cmd_rmfiles = $(if $(wildcard $(rm-files)),CLEAN $(wildcard $(rm-files))) 1373 cmd_rmfiles = rm -f $(rm-files) 1374 1375# read all saved command lines 1376 1377targets := $(wildcard $(sort $(targets))) 1378cmd_files := $(wildcard .*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd)) 1379 1380ifneq ($(cmd_files),) 1381 $(cmd_files): ; # Do not try to update included dependency files 1382 include $(cmd_files) 1383endif 1384 1385# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.clean obj=dir 1386# Usage: 1387# $(Q)$(MAKE) $(clean)=dir 1388clean := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.clean obj 1389 1390endif # skip-makefile 1391 1392PHONY += FORCE 1393FORCE: 1394 1395# Declare the contents of the .PHONY variable as phony. We keep that 1396# information in a variable so we can use it in if_changed and friends. 1397.PHONY: $(PHONY) 1398