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 171export OBJTREE SPLTREE TPLTREE 172 173MKCONFIG := $(srctree)/mkconfig 174export MKCONFIG 175 176# Make sure CDPATH settings don't interfere 177unexport CDPATH 178 179######################################################################### 180 181HOSTARCH := $(shell uname -m | \ 182 sed -e s/i.86/x86/ \ 183 -e s/sun4u/sparc64/ \ 184 -e s/arm.*/arm/ \ 185 -e s/sa110/arm/ \ 186 -e s/ppc64/powerpc/ \ 187 -e s/ppc/powerpc/ \ 188 -e s/macppc/powerpc/\ 189 -e s/sh.*/sh/) 190 191HOSTOS := $(shell uname -s | tr '[:upper:]' '[:lower:]' | \ 192 sed -e 's/\(cygwin\).*/cygwin/') 193 194export HOSTARCH HOSTOS 195 196# Deal with colliding definitions from tcsh etc. 197VENDOR= 198 199######################################################################### 200 201# set default to nothing for native builds 202ifeq ($(HOSTARCH),$(ARCH)) 203CROSS_COMPILE ?= 204endif 205 206# SHELL used by kbuild 207CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \ 208 else if [ -x /bin/bash ]; then echo /bin/bash; \ 209 else echo sh; fi ; fi) 210 211HOSTCC = gcc 212HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer 213 214ifeq ($(HOSTOS),cygwin) 215HOSTCFLAGS += -ansi 216endif 217 218# Mac OS X / Darwin's C preprocessor is Apple specific. It 219# generates numerous errors and warnings. We want to bypass it 220# and use GNU C's cpp. To do this we pass the -traditional-cpp 221# option to the compiler. Note that the -traditional-cpp flag 222# DOES NOT have the same semantics as GNU C's flag, all it does 223# is invoke the GNU preprocessor in stock ANSI/ISO C fashion. 224# 225# Apple's linker is similar, thanks to the new 2 stage linking 226# multiple symbol definitions are treated as errors, hence the 227# -multiply_defined suppress option to turn off this error. 228# 229ifeq ($(HOSTOS),darwin) 230# get major and minor product version (e.g. '10' and '6' for Snow Leopard) 231DARWIN_MAJOR_VERSION = $(shell sw_vers -productVersion | cut -f 1 -d '.') 232DARWIN_MINOR_VERSION = $(shell sw_vers -productVersion | cut -f 2 -d '.') 233 234os_x_before = $(shell if [ $(DARWIN_MAJOR_VERSION) -le $(1) -a \ 235 $(DARWIN_MINOR_VERSION) -le $(2) ] ; then echo "$(3)"; else echo "$(4)"; fi ;) 236 237# Snow Leopards build environment has no longer restrictions as described above 238HOSTCC = $(call os_x_before, 10, 5, "cc", "gcc") 239HOSTCFLAGS += $(call os_x_before, 10, 4, "-traditional-cpp") 240HOSTLDFLAGS += $(call os_x_before, 10, 5, "-multiply_defined suppress") 241endif 242 243# Decide whether to build built-in, modular, or both. 244# Normally, just do built-in. 245 246KBUILD_MODULES := 247KBUILD_BUILTIN := 1 248 249# If we have only "make modules", don't compile built-in objects. 250# When we're building modules with modversions, we need to consider 251# the built-in objects during the descend as well, in order to 252# make sure the checksums are up to date before we record them. 253 254ifeq ($(MAKECMDGOALS),modules) 255 KBUILD_BUILTIN := $(if $(CONFIG_MODVERSIONS),1) 256endif 257 258# If we have "make <whatever> modules", compile modules 259# in addition to whatever we do anyway. 260# Just "make" or "make all" shall build modules as well 261 262# U-Boot does not need modules 263#ifneq ($(filter all _all modules,$(MAKECMDGOALS)),) 264# KBUILD_MODULES := 1 265#endif 266 267#ifeq ($(MAKECMDGOALS),) 268# KBUILD_MODULES := 1 269#endif 270 271export KBUILD_MODULES KBUILD_BUILTIN 272export KBUILD_CHECKSRC KBUILD_SRC KBUILD_EXTMOD 273 274# Beautify output 275# --------------------------------------------------------------------------- 276# 277# Normally, we echo the whole command before executing it. By making 278# that echo $($(quiet)$(cmd)), we now have the possibility to set 279# $(quiet) to choose other forms of output instead, e.g. 280# 281# quiet_cmd_cc_o_c = Compiling $(RELDIR)/$@ 282# cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $< 283# 284# If $(quiet) is empty, the whole command will be printed. 285# If it is set to "quiet_", only the short version will be printed. 286# If it is set to "silent_", nothing will be printed at all, since 287# the variable $(silent_cmd_cc_o_c) doesn't exist. 288# 289# A simple variant is to prefix commands with $(Q) - that's useful 290# for commands that shall be hidden in non-verbose mode. 291# 292# $(Q)ln $@ :< 293# 294# If KBUILD_VERBOSE equals 0 then the above command will be hidden. 295# If KBUILD_VERBOSE equals 1 then the above command is displayed. 296 297ifeq ($(KBUILD_VERBOSE),1) 298 quiet = 299 Q = 300else 301 quiet=quiet_ 302 Q = @ 303endif 304 305# If the user is running make -s (silent mode), suppress echoing of 306# commands 307 308ifneq ($(filter s% -s%,$(MAKEFLAGS)),) 309 quiet=silent_ 310endif 311 312export quiet Q KBUILD_VERBOSE 313 314 315# Look for make include files relative to root of kernel src 316MAKEFLAGS += --include-dir=$(srctree) 317 318# We need some generic definitions (do not try to remake the file). 319$(srctree)/scripts/Kbuild.include: ; 320include $(srctree)/scripts/Kbuild.include 321 322# Make variables (CC, etc...) 323 324AS = $(CROSS_COMPILE)as 325# Always use GNU ld 326ifneq ($(shell $(CROSS_COMPILE)ld.bfd -v 2> /dev/null),) 327LD = $(CROSS_COMPILE)ld.bfd 328else 329LD = $(CROSS_COMPILE)ld 330endif 331CC = $(CROSS_COMPILE)gcc 332CPP = $(CC) -E 333AR = $(CROSS_COMPILE)ar 334NM = $(CROSS_COMPILE)nm 335LDR = $(CROSS_COMPILE)ldr 336STRIP = $(CROSS_COMPILE)strip 337OBJCOPY = $(CROSS_COMPILE)objcopy 338OBJDUMP = $(CROSS_COMPILE)objdump 339AWK = awk 340RANLIB = $(CROSS_COMPILE)RANLIB 341DTC = dtc 342CHECK = sparse 343 344CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \ 345 -Wbitwise -Wno-return-void -D__CHECK_ENDIAN__ $(CF) 346 347KBUILD_CPPFLAGS := -D__KERNEL__ 348 349KBUILD_CFLAGS := -Wall -Wstrict-prototypes \ 350 -Wno-format-security \ 351 -fno-builtin -ffreestanding 352KBUILD_AFLAGS := -D__ASSEMBLY__ 353 354# Read UBOOTRELEASE from include/config/uboot.release (if it exists) 355UBOOTRELEASE = $(shell cat include/config/uboot.release 2> /dev/null) 356UBOOTVERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SUBLEVEL)))$(EXTRAVERSION) 357 358export VERSION PATCHLEVEL SUBLEVEL UBOOTRELEASE UBOOTVERSION 359export ARCH CPU BOARD VENDOR SOC CPUDIR BOARDDIR 360export CONFIG_SHELL HOSTCC HOSTCFLAGS HOSTLDFLAGS CROSS_COMPILE AS LD CC 361export CPP AR NM LDR STRIP OBJCOPY OBJDUMP 362export MAKE AWK 363export DTC CHECK CHECKFLAGS 364 365export KBUILD_CPPFLAGS NOSTDINC_FLAGS UBOOTINCLUDE OBJCOPYFLAGS LDFLAGS 366export KBUILD_CFLAGS KBUILD_AFLAGS 367 368# When compiling out-of-tree modules, put MODVERDIR in the module 369# tree rather than in the kernel tree. The kernel tree might 370# even be read-only. 371export MODVERDIR := $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/).tmp_versions 372 373# Files to ignore in find ... statements 374 375RCS_FIND_IGNORE := \( -name SCCS -o -name BitKeeper -o -name .svn -o -name CVS \ 376 -o -name .pc -o -name .hg -o -name .git \) -prune -o 377export RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn \ 378 --exclude CVS --exclude .pc --exclude .hg --exclude .git 379 380# =========================================================================== 381# Rules shared between *config targets and build targets 382 383# Basic helpers built in scripts/ 384PHONY += scripts_basic 385scripts_basic: 386 $(Q)$(MAKE) $(build)=scripts/basic 387 $(Q)rm -f .tmp_quiet_recordmcount 388 389# To avoid any implicit rule to kick in, define an empty command. 390scripts/basic/%: scripts_basic ; 391 392PHONY += outputmakefile 393# outputmakefile generates a Makefile in the output directory, if using a 394# separate output directory. This allows convenient use of make in the 395# output directory. 396outputmakefile: 397ifneq ($(KBUILD_SRC),) 398 $(Q)ln -fsn $(srctree) source 399 $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile \ 400 $(srctree) $(objtree) $(VERSION) $(PATCHLEVEL) 401endif 402 403# To make sure we do not include .config for any of the *config targets 404# catch them early, and hand them over to scripts/kconfig/Makefile 405# It is allowed to specify more targets when calling make, including 406# mixing *config targets and build targets. 407# For example 'make oldconfig all'. 408# Detect when mixed targets is specified, and make a second invocation 409# of make so .config is not included in this case either (for *config). 410 411version_h := include/generated/version_autogenerated.h 412timestamp_h := include/generated/timestamp_autogenerated.h 413 414no-dot-config-targets := clean clobber mrproper distclean \ 415 help %docs check% coccicheck \ 416 ubootversion backup 417 418config-targets := 0 419mixed-targets := 0 420dot-config := 1 421 422ifneq ($(filter $(no-dot-config-targets), $(MAKECMDGOALS)),) 423 ifeq ($(filter-out $(no-dot-config-targets), $(MAKECMDGOALS)),) 424 dot-config := 0 425 endif 426endif 427 428ifeq ($(KBUILD_EXTMOD),) 429 ifneq ($(filter config %config,$(MAKECMDGOALS)),) 430 config-targets := 1 431 ifneq ($(filter-out config %config,$(MAKECMDGOALS)),) 432 mixed-targets := 1 433 endif 434 endif 435endif 436 437ifeq ($(mixed-targets),1) 438# =========================================================================== 439# We're called with mixed targets (*config and build targets). 440# Handle them one by one. 441 442PHONY += $(MAKECMDGOALS) build-one-by-one 443 444$(MAKECMDGOALS): build-one-by-one 445 @: 446 447build-one-by-one: 448 $(Q)set -e; \ 449 for i in $(MAKECMDGOALS); do \ 450 $(MAKE) -f $(srctree)/Makefile $$i; \ 451 done 452 453else 454ifeq ($(config-targets),1) 455# =========================================================================== 456# *config targets only - make sure prerequisites are updated, and descend 457# in scripts/kconfig to make the *config target 458 459# Read arch specific Makefile to set KBUILD_DEFCONFIG as needed. 460# KBUILD_DEFCONFIG may point out an alternative default configuration 461# used for 'make defconfig' 462 463%_config:: outputmakefile 464 @$(MKCONFIG) -A $(@:_config=) 465 466else 467# =========================================================================== 468# Build targets only - this includes vmlinux, arch specific targets, clean 469# targets and others. In general all targets except *config targets. 470 471# load ARCH, BOARD, and CPU configuration 472-include include/config.mk 473 474ifeq ($(dot-config),1) 475# Read in config 476-include include/autoconf.mk 477-include include/autoconf.mk.dep 478 479# load other configuration 480include $(srctree)/config.mk 481 482ifeq ($(wildcard include/config.mk),) 483$(error "System not configured - see README") 484endif 485 486# If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use 487# that (or fail if absent). Otherwise, search for a linker script in a 488# standard location. 489 490ifndef LDSCRIPT 491 #LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds.debug 492 ifdef CONFIG_SYS_LDSCRIPT 493 # need to strip off double quotes 494 LDSCRIPT := $(srctree)/$(CONFIG_SYS_LDSCRIPT:"%"=%) 495 endif 496endif 497 498# If there is no specified link script, we look in a number of places for it 499ifndef LDSCRIPT 500 ifeq ($(CONFIG_NAND_U_BOOT),y) 501 LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-nand.lds 502 ifeq ($(wildcard $(LDSCRIPT)),) 503 LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-nand.lds 504 endif 505 endif 506 ifeq ($(wildcard $(LDSCRIPT)),) 507 LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds 508 endif 509 ifeq ($(wildcard $(LDSCRIPT)),) 510 LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot.lds 511 endif 512 ifeq ($(wildcard $(LDSCRIPT)),) 513 LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot.lds 514 endif 515endif 516 517else 518 519 520endif # $(dot-config) 521 522KBUILD_CFLAGS += -Os #-fomit-frame-pointer 523 524ifdef BUILD_TAG 525KBUILD_CFLAGS += -DBUILD_TAG='"$(BUILD_TAG)"' 526endif 527 528KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector) 529 530KBUILD_CFLAGS += -g 531# $(KBUILD_AFLAGS) sets -g, which causes gcc to pass a suitable -g<format> 532# option to the assembler. 533KBUILD_AFLAGS += -g 534 535# Report stack usage if supported 536ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-stack-usage.sh $(CC)),y) 537 KBUILD_CFLAGS += -fstack-usage 538endif 539 540KBUILD_CFLAGS += $(call cc-option,-Wno-format-nonliteral) 541 542# turn jbsr into jsr for m68k 543ifeq ($(ARCH),m68k) 544ifeq ($(findstring 3.4,$(shell $(CC) --version)),3.4) 545KBUILD_AFLAGS += -Wa,-gstabs,-S 546endif 547endif 548 549ifneq ($(CONFIG_SYS_TEXT_BASE),) 550KBUILD_CPPFLAGS += -DCONFIG_SYS_TEXT_BASE=$(CONFIG_SYS_TEXT_BASE) 551endif 552 553export CONFIG_SYS_TEXT_BASE 554 555# Use UBOOTINCLUDE when you must reference the include/ directory. 556# Needed to be compatible with the O= option 557UBOOTINCLUDE := \ 558 -Iinclude \ 559 $(if $(KBUILD_SRC), -I$(srctree)/include) \ 560 -I$(srctree)/arch/$(ARCH)/include 561 562NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include) 563CHECKFLAGS += $(NOSTDINC_FLAGS) 564 565# FIX ME 566cpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \ 567 $(NOSTDINC_FLAGS) 568c_flags := $(KBUILD_CFLAGS) $(cpp_flags) 569 570######################################################################### 571# U-Boot objects....order is important (i.e. start must be first) 572 573head-y := $(CPUDIR)/start.o 574head-$(CONFIG_4xx) += arch/powerpc/cpu/ppc4xx/resetvec.o 575head-$(CONFIG_MPC85xx) += arch/powerpc/cpu/mpc85xx/resetvec.o 576 577HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n) 578 579libs-y += lib/ 580libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/ 581libs-y += $(CPUDIR)/ 582ifdef SOC 583libs-y += $(CPUDIR)/$(SOC)/ 584endif 585libs-$(CONFIG_OF_EMBED) += dts/ 586libs-y += arch/$(ARCH)/lib/ 587libs-y += fs/ 588libs-y += net/ 589libs-y += disk/ 590libs-y += drivers/ 591libs-$(CONFIG_DM) += drivers/core/ 592libs-y += drivers/dma/ 593libs-y += drivers/gpio/ 594libs-y += drivers/i2c/ 595libs-y += drivers/input/ 596libs-y += drivers/mmc/ 597libs-y += drivers/mtd/ 598libs-$(CONFIG_CMD_NAND) += drivers/mtd/nand/ 599libs-y += drivers/mtd/onenand/ 600libs-$(CONFIG_CMD_UBI) += drivers/mtd/ubi/ 601libs-y += drivers/mtd/spi/ 602libs-y += drivers/net/ 603libs-y += drivers/net/phy/ 604libs-y += drivers/pci/ 605libs-y += drivers/power/ \ 606 drivers/power/fuel_gauge/ \ 607 drivers/power/mfd/ \ 608 drivers/power/pmic/ \ 609 drivers/power/battery/ 610libs-y += drivers/spi/ 611libs-$(CONFIG_FMAN_ENET) += drivers/net/fm/ 612libs-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/ 613libs-y += drivers/serial/ 614libs-y += drivers/usb/eth/ 615libs-y += drivers/usb/gadget/ 616libs-y += drivers/usb/host/ 617libs-y += drivers/usb/musb/ 618libs-y += drivers/usb/musb-new/ 619libs-y += drivers/usb/phy/ 620libs-y += drivers/usb/ulpi/ 621libs-y += common/ 622libs-y += lib/libfdt/ 623libs-$(CONFIG_API) += api/ 624libs-$(CONFIG_HAS_POST) += post/ 625libs-y += test/ 626libs-y += test/dm/ 627libs-$(CONFIG_DM_DEMO) += drivers/demo/ 628 629ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610)) 630libs-y += arch/$(ARCH)/imx-common/ 631endif 632 633libs-$(CONFIG_ARM) += arch/arm/cpu/ 634libs-$(CONFIG_PPC) += arch/powerpc/cpu/ 635 636libs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/) 637 638libs-y := $(sort $(libs-y)) 639 640u-boot-dirs := $(patsubst %/,%,$(filter %/, $(libs-y))) tools examples 641 642u-boot-alldirs := $(sort $(u-boot-dirs) $(patsubst %/,%,$(filter %/, $(libs-)))) 643 644libs-y := $(patsubst %/, %/built-in.o, $(libs-y)) 645 646u-boot-init := $(head-y) 647u-boot-main := $(libs-y) 648 649 650# Add GCC lib 651ifdef CONFIG_USE_PRIVATE_LIBGCC 652ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y) 653PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a 654else 655PLATFORM_LIBGCC = -L $(CONFIG_USE_PRIVATE_LIBGCC) -lgcc 656endif 657else 658PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(c_flags) -print-libgcc-file-name`) -lgcc 659endif 660PLATFORM_LIBS += $(PLATFORM_LIBGCC) 661export PLATFORM_LIBS 662 663# Special flags for CPP when processing the linker script. 664# Pass the version down so we can handle backwards compatibility 665# on the fly. 666LDPPFLAGS += \ 667 -include $(srctree)/include/u-boot/u-boot.lds.h \ 668 -DCPUDIR=$(CPUDIR) \ 669 $(shell $(LD) --version | \ 670 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 671 672######################################################################### 673######################################################################### 674 675ifneq ($(CONFIG_BOARD_SIZE_LIMIT),) 676BOARD_SIZE_CHECK = \ 677 @actual=`wc -c $@ | awk '{print $$1}'`; \ 678 limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \ 679 if test $$actual -gt $$limit; then \ 680 echo "$@ exceeds file size limit:" >&2 ; \ 681 echo " limit: $$limit bytes" >&2 ; \ 682 echo " actual: $$actual bytes" >&2 ; \ 683 echo " excess: $$((actual - limit)) bytes" >&2; \ 684 exit 1; \ 685 fi 686else 687BOARD_SIZE_CHECK = 688endif 689 690# Statically apply RELA-style relocations (currently arm64 only) 691ifneq ($(CONFIG_STATIC_RELA),) 692# $(1) is u-boot ELF, $(2) is u-boot bin, $(3) is text base 693DO_STATIC_RELA = \ 694 start=$$($(NM) $(1) | grep __rel_dyn_start | cut -f 1 -d ' '); \ 695 end=$$($(NM) $(1) | grep __rel_dyn_end | cut -f 1 -d ' '); \ 696 tools/relocate-rela $(2) $(3) $$start $$end 697else 698DO_STATIC_RELA = 699endif 700 701# Always append ALL so that arch config.mk's can add custom ones 702ALL-y += u-boot.srec u-boot.bin System.map 703 704ALL-$(CONFIG_NAND_U_BOOT) += u-boot-nand.bin 705ALL-$(CONFIG_ONENAND_U_BOOT) += u-boot-onenand.bin 706ALL-$(CONFIG_RAMBOOT_PBL) += u-boot.pbl 707ALL-$(CONFIG_SPL) += spl/u-boot-spl.bin 708ALL-$(CONFIG_SPL_FRAMEWORK) += u-boot.img 709ALL-$(CONFIG_TPL) += tpl/u-boot-tpl.bin 710ALL-$(CONFIG_OF_SEPARATE) += u-boot.dtb u-boot-dtb.bin 711ALL-$(CONFIG_OF_HOSTFILE) += u-boot.dtb 712ifneq ($(CONFIG_SPL_TARGET),) 713ALL-$(CONFIG_SPL) += $(CONFIG_SPL_TARGET:"%"=%) 714endif 715ALL-$(CONFIG_REMAKE_ELF) += u-boot.elf 716 717# enable combined SPL/u-boot/dtb rules for tegra 718ifneq ($(CONFIG_TEGRA),) 719ifeq ($(CONFIG_SPL),y) 720ifeq ($(CONFIG_OF_SEPARATE),y) 721ALL-y += u-boot-dtb-tegra.bin 722else 723ALL-y += u-boot-nodtb-tegra.bin 724endif 725endif 726endif 727 728LDFLAGS_u-boot += $(LDFLAGS_FINAL) 729ifneq ($(CONFIG_SYS_TEXT_BASE),) 730LDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE) 731endif 732 733quiet_cmd_objcopy = OBJCOPY $@ 734cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@ 735 736quiet_cmd_mkimage = UIMAGE $@ 737cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \ 738 $(if $(KBUILD_VERBOSE:1=), >/dev/null) 739 740quiet_cmd_cat = CAT $@ 741cmd_cat = cat $(filter-out $(PHONY), $^) > $@ 742 743append = cat $(filter-out $< $(PHONY), $^) >> $@ 744 745quiet_cmd_pad_cat = CAT $@ 746cmd_pad_cat = $(cmd_objcopy) && $(append) || rm -f $@ 747 748all: $(ALL-y) 749 750PHONY += dtbs 751dtbs dts/dt.dtb: checkdtc u-boot 752 $(Q)$(MAKE) $(build)=dts dtbs 753 754u-boot-dtb.bin: u-boot.bin dts/dt.dtb FORCE 755 $(call if_changed,cat) 756 757quiet_cmd_copy = COPY $@ 758 cmd_copy = cp $< $@ 759 760u-boot.dtb: dts/dt.dtb 761 $(call cmd,copy) 762 763OBJCOPYFLAGS_u-boot.hex := -O ihex 764 765OBJCOPYFLAGS_u-boot.srec := -O srec 766 767u-boot.hex u-boot.srec: u-boot FORCE 768 $(call if_changed,objcopy) 769 770OBJCOPYFLAGS_u-boot.bin := -O binary 771 772u-boot.bin: u-boot FORCE 773 $(call if_changed,objcopy) 774 $(call DO_STATIC_RELA,$<,$@,$(CONFIG_SYS_TEXT_BASE)) 775 $(BOARD_SIZE_CHECK) 776 777u-boot.ldr: u-boot 778 $(CREATE_LDR_ENV) 779 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS) 780 $(BOARD_SIZE_CHECK) 781 782OBJCOPYFLAGS_u-boot.ldr.hex := -I binary -O ihex 783 784OBJCOPYFLAGS_u-boot.ldr.srec := -I binary -O srec 785 786u-boot.ldr.hex u-boot.ldr.srec: u-boot.ldr FORCE 787 $(call if_changed,objcopy) 788 789# 790# U-Boot entry point, needed for booting of full-blown U-Boot 791# from the SPL U-Boot version. 792# 793ifndef CONFIG_SYS_UBOOT_START 794CONFIG_SYS_UBOOT_START := 0 795endif 796 797MKIMAGEFLAGS_u-boot.img = -A $(ARCH) -T firmware -C none -O u-boot \ 798 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \ 799 -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board" 800 801MKIMAGEFLAGS_u-boot.kwb = -n $(srctree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%) \ 802 -T kwbimage -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) 803 804MKIMAGEFLAGS_u-boot.pbl = -n $(srctree)/$(CONFIG_SYS_FSL_PBL_RCW:"%"=%) \ 805 -R $(srctree)/$(CONFIG_SYS_FSL_PBL_PBI:"%"=%) -T pblimage 806 807u-boot.img u-boot.kwb u-boot.pbl: u-boot.bin FORCE 808 $(call if_changed,mkimage) 809 810u-boot.imx: u-boot.bin 811 $(Q)$(MAKE) $(build)=arch/arm/imx-common $@ 812 813u-boot.sha1: u-boot.bin 814 tools/ubsha1 u-boot.bin 815 816u-boot.dis: u-boot 817 $(OBJDUMP) -d $< > $@ 818 819ifdef CONFIG_TPL 820SPL_PAYLOAD := tpl/u-boot-with-tpl.bin 821else 822SPL_PAYLOAD := u-boot.bin 823endif 824 825OBJCOPYFLAGS_u-boot-with-spl.bin = -I binary -O binary \ 826 --pad-to=$(CONFIG_SPL_PAD_TO) 827u-boot-with-spl.bin: spl/u-boot-spl.bin $(SPL_PAYLOAD) FORCE 828 $(call if_changed,pad_cat) 829 830OBJCOPYFLAGS_u-boot-with-tpl.bin = -I binary -O binary \ 831 --pad-to=$(CONFIG_TPL_PAD_TO) 832tpl/u-boot-with-tpl.bin: tpl/u-boot-tpl.bin u-boot.bin FORCE 833 $(call if_changed,pad_cat) 834 835SPL: spl/u-boot-spl.bin FORCE 836 $(Q)$(MAKE) $(build)=arch/arm/imx-common $@ 837 838u-boot-with-spl.imx u-boot-with-nand-spl.imx: SPL u-boot.bin FORCE 839 $(Q)$(MAKE) $(build)=arch/arm/imx-common $@ 840 841MKIMAGEFLAGS_u-boot.ubl = -n $(UBL_CONFIG) -T ublimage -e $(CONFIG_SYS_TEXT_BASE) 842 843u-boot.ubl: u-boot-with-spl.bin FORCE 844 $(call if_changed,mkimage) 845 846MKIMAGEFLAGS_u-boot-spl.ais = -s -n $(if $(CONFIG_AIS_CONFIG_FILE), \ 847 $(srctree)/$(CONFIG_AIS_CONFIG_FILE:"%"=%),"/dev/null") \ 848 -T aisimage -e $(CONFIG_SPL_TEXT_BASE) 849spl/u-boot-spl.ais: spl/u-boot-spl.bin FORCE 850 $(call if_changed,mkimage) 851 852OBJCOPYFLAGS_u-boot.ais = -I binary -O binary --pad-to=$(CONFIG_SPL_MAX_SIZE) 853u-boot.ais: spl/u-boot-spl.ais u-boot.img FORCE 854 $(call if_changed,pad_cat) 855 856u-boot.sb: u-boot.bin spl/u-boot-spl.bin 857 $(Q)$(MAKE) $(build)=arch/arm/cpu/arm926ejs/mxs u-boot.sb 858 859# On x600 (SPEAr600) U-Boot is appended to U-Boot SPL. 860# Both images are created using mkimage (crc etc), so that the ROM 861# bootloader can check its integrity. Padding needs to be done to the 862# SPL image (with mkimage header) and not the binary. Otherwise the resulting image 863# which is loaded/copied by the ROM bootloader to SRAM doesn't fit. 864# The resulting image containing both U-Boot images is called u-boot.spr 865MKIMAGEFLAGS_u-boot-spl.img = -A $(ARCH) -T firmware -C none \ 866 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER 867spl/u-boot-spl.img: spl/u-boot-spl.bin FORCE 868 $(call if_changed,mkimage) 869 870OBJCOPYFLAGS_u-boot.spr = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) \ 871 --gap-fill=0xff 872u-boot.spr: spl/u-boot-spl.img u-boot.img FORCE 873 $(call if_changed,pad_cat) 874 875ifneq ($(CONFIG_TEGRA),) 876OBJCOPYFLAGS_u-boot-nodtb-tegra.bin = -O binary --pad-to=$(CONFIG_SYS_TEXT_BASE) 877u-boot-nodtb-tegra.bin: spl/u-boot-spl u-boot.bin FORCE 878 $(call if_changed,pad_cat) 879 880ifeq ($(CONFIG_OF_SEPARATE),y) 881u-boot-dtb-tegra.bin: u-boot-nodtb-tegra.bin dts/dt.dtb FORCE 882 $(call if_changed,cat) 883endif 884endif 885 886u-boot-img.bin: spl/u-boot-spl.bin u-boot.img FORCE 887 $(call if_changed,cat) 888 889# PPC4xx needs the SPL at the end of the image, since the reset vector 890# is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target 891# and need to introduce a new build target with the full blown U-Boot 892# at the start padded up to the start of the SPL image. And then concat 893# the SPL image to the end. 894 895OBJCOPYFLAGS_u-boot-img-spl-at-end.bin := -I binary -O binary \ 896 --pad-to=$(CONFIG_UBOOT_PAD_TO) --gap-fill=0xff 897u-boot-img-spl-at-end.bin: u-boot.img spl/u-boot-spl.bin FORCE 898 $(call if_changed,pad_cat) 899 900# Create a new ELF from a raw binary file. This is useful for arm64 901# where static relocation needs to be performed on the raw binary, 902# but certain simulators only accept an ELF file (but don't do the 903# relocation). 904# FIXME refactor dts/Makefile to share target/arch detection 905u-boot.elf: u-boot.bin 906 @$(OBJCOPY) -B aarch64 -I binary -O elf64-littleaarch64 \ 907 $< u-boot-elf.o 908 @$(LD) u-boot-elf.o -o $@ \ 909 --defsym=_start=$(CONFIG_SYS_TEXT_BASE) \ 910 -Ttext=$(CONFIG_SYS_TEXT_BASE) 911 912# Rule to link u-boot 913# May be overridden by arch/$(ARCH)/config.mk 914quiet_cmd_u-boot__ ?= LD $@ 915 cmd_u-boot__ ?= $(LD) $(LDFLAGS) $(LDFLAGS_u-boot) -o $@ \ 916 -T u-boot.lds $(u-boot-init) \ 917 --start-group $(u-boot-main) --end-group \ 918 $(PLATFORM_LIBS) -Map u-boot.map 919 920u-boot: $(u-boot-init) $(u-boot-main) u-boot.lds 921 $(call if_changed,u-boot__) 922ifeq ($(CONFIG_KALLSYMS),y) 923 smap=`$(call SYSTEM_MAP,u-boot) | \ 924 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \ 925 $(CC) $(c_flags) -DSYSTEM_MAP="\"$${smap}\"" \ 926 -c $(srctree)/common/system_map.c -o common/system_map.o 927 $(call cmd,u-boot__) common/system_map.o 928endif 929 930# The actual objects are generated when descending, 931# make sure no implicit rule kicks in 932$(sort $(u-boot-init) $(u-boot-main)): $(u-boot-dirs) ; 933 934# Handle descending into subdirectories listed in $(vmlinux-dirs) 935# Preset locale variables to speed up the build process. Limit locale 936# tweaks to this spot to avoid wrong language settings when running 937# make menuconfig etc. 938# Error messages still appears in the original language 939 940PHONY += $(u-boot-dirs) 941$(u-boot-dirs): prepare scripts 942 $(Q)$(MAKE) $(build)=$@ 943 944tools: prepare 945# The "tools" are needed early 946$(filter-out tools, $(u-boot-dirs)): tools 947# The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC 948# is "yes"), so compile examples after U-Boot is compiled. 949examples: $(filter-out examples, $(u-boot-dirs)) 950 951define filechk_uboot.release 952 echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" 953endef 954 955# Store (new) UBOOTRELEASE string in include/config/uboot.release 956include/config/uboot.release: Makefile FORCE 957 $(call filechk,uboot.release) 958 959 960# Things we need to do before we recursively start building the kernel 961# or the modules are listed in "prepare". 962# A multi level approach is used. prepareN is processed before prepareN-1. 963# archprepare is used in arch Makefiles and when processed asm symlink, 964# version.h and scripts_basic is processed / created. 965 966# Listed in dependency order 967PHONY += prepare archprepare prepare0 prepare1 prepare2 prepare3 968 969# prepare3 is used to check if we are building in a separate output directory, 970# and if so do: 971# 1) Check that make has not been executed in the kernel src $(srctree) 972prepare3: include/config/uboot.release 973ifneq ($(KBUILD_SRC),) 974 @$(kecho) ' Using $(srctree) as source for u-boot' 975 $(Q)if [ -f $(srctree)/include/config.mk ]; then \ 976 echo >&2 " $(srctree) is not clean, please run 'make mrproper'"; \ 977 echo >&2 " in the '$(srctree)' directory.";\ 978 /bin/false; \ 979 fi; 980endif 981 982# prepare2 creates a makefile if using a separate output directory 983prepare2: prepare3 outputmakefile 984 985prepare1: prepare2 $(version_h) $(timestamp_h) 986ifeq ($(__HAVE_ARCH_GENERIC_BOARD),) 987ifeq ($(CONFIG_SYS_GENERIC_BOARD),y) 988 @echo >&2 " Your architecture does not support generic board." 989 @echo >&2 " Please undefine CONFIG_SYS_GENERIC_BOARD in your board config file." 990 @/bin/false 991endif 992endif 993ifeq ($(wildcard $(LDSCRIPT)),) 994 @echo >&2 " Could not find linker script." 995 @/bin/false 996endif 997 998archprepare: prepare1 scripts_basic 999 1000prepare0: archprepare FORCE 1001 $(Q)$(MAKE) $(build)=. 1002 1003# All the preparing.. 1004prepare: prepare0 1005 1006# Generate some files 1007# --------------------------------------------------------------------------- 1008 1009define filechk_version.h 1010 (echo \#define PLAIN_VERSION \"$(UBOOTRELEASE)\"; \ 1011 echo \#define U_BOOT_VERSION \"U-Boot \" PLAIN_VERSION; \ 1012 echo \#define CC_VERSION_STRING \"$$($(CC) --version | head -n 1)\"; \ 1013 echo \#define LD_VERSION_STRING \"$$($(LD) --version | head -n 1)\"; ) 1014endef 1015 1016define filechk_timestamp.h 1017 (LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"'; \ 1018 LC_ALL=C date +'#define U_BOOT_TIME "%T"') 1019endef 1020 1021$(version_h): include/config/uboot.release FORCE 1022 $(call filechk,version.h) 1023 1024$(timestamp_h): $(srctree)/Makefile FORCE 1025 $(call filechk,timestamp.h) 1026 1027# 1028# Auto-generate the autoconf.mk file (which is included by all makefiles) 1029# 1030# This target actually generates 2 files; autoconf.mk and autoconf.mk.dep. 1031# the dep file is only include in this top level makefile to determine when 1032# to regenerate the autoconf.mk file. 1033 1034quiet_cmd_autoconf_dep = GEN $@ 1035 cmd_autoconf_dep = $(CC) -x c -DDO_DEPS_ONLY -M $(c_flags) \ 1036 -MQ include/autoconf.mk $(srctree)/include/common.h > $@ || rm $@ 1037 1038include/autoconf.mk.dep: include/config.h include/common.h 1039 $(call cmd,autoconf_dep) 1040 1041quiet_cmd_autoconf = GEN $@ 1042 cmd_autoconf = \ 1043 $(CPP) $(c_flags) -DDO_DEPS_ONLY -dM $(srctree)/include/common.h > $@.tmp && \ 1044 sed -n -f $(srctree)/tools/scripts/define2mk.sed $@.tmp > $@; \ 1045 rm $@.tmp 1046 1047include/autoconf.mk: include/config.h 1048 $(call cmd,autoconf) 1049 1050# --------------------------------------------------------------------------- 1051 1052PHONY += depend dep 1053depend dep: 1054 @echo '*** Warning: make $@ is unnecessary now.' 1055 1056# --------------------------------------------------------------------------- 1057quiet_cmd_cpp_lds = LDS $@ 1058cmd_cpp_lds = $(CPP) $(cpp_flags) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ \ 1059 -x assembler-with-cpp -P -o $@ $< 1060 1061u-boot.lds: $(LDSCRIPT) prepare FORCE 1062 $(call if_changed,cpp_lds) 1063 1064PHONY += nand_spl 1065nand_spl: prepare 1066 $(Q)$(MAKE) $(build)=nand_spl/board/$(BOARDDIR) all 1067 @echo >&2 1068 @echo >&2 "==================== WARNING =====================" 1069 @echo >&2 "nand_spl will not be included in v2014.07 release." 1070 @echo >&2 "Please switch over to SPL." 1071 @echo >&2 "Otherwise, this board will be removed." 1072 @echo >&2 "==================================================" 1073 @echo >&2 1074 1075nand_spl/u-boot-spl-16k.bin: nand_spl 1076 @: 1077 1078u-boot-nand.bin: nand_spl/u-boot-spl-16k.bin u-boot.bin FORCE 1079 $(call if_changed,cat) 1080 1081spl/u-boot-spl.bin: spl/u-boot-spl 1082 @: 1083spl/u-boot-spl: tools prepare 1084 $(Q)$(MAKE) obj=spl -f $(srctree)/spl/Makefile all 1085 1086tpl/u-boot-tpl.bin: tools prepare 1087 $(Q)$(MAKE) obj=tpl -f $(srctree)/spl/Makefile all CONFIG_TPL_BUILD=y 1088 1089TAG_SUBDIRS := $(u-boot-dirs) include 1090 1091FIND := find 1092FINDFLAGS := -L 1093 1094tags ctags: 1095 ctags -w -o ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 1096 -name '*.[chS]' -print` 1097 1098etags: 1099 etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 1100 -name '*.[chS]' -print` 1101cscope: 1102 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \ 1103 cscope.files 1104 cscope -b -q -k 1105 1106SYSTEM_MAP = \ 1107 $(NM) $1 | \ 1108 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \ 1109 LC_ALL=C sort 1110System.map: u-boot 1111 @$(call SYSTEM_MAP,$<) > $@ 1112 1113checkdtc: 1114 @if test $(call dtc-version) -lt 0104; then \ 1115 echo '*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \ 1116 false; \ 1117 fi 1118 1119######################################################################### 1120 1121# ARM relocations should all be R_ARM_RELATIVE (32-bit) or 1122# R_AARCH64_RELATIVE (64-bit). 1123checkarmreloc: u-boot 1124 @RELOC="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \ 1125 grep R_A | sort -u`"; \ 1126 if test "$$RELOC" != "R_ARM_RELATIVE" -a \ 1127 "$$RELOC" != "R_AARCH64_RELATIVE"; then \ 1128 echo "$< contains unexpected relocations: $$RELOC"; \ 1129 false; \ 1130 fi 1131 1132env: scripts_basic 1133 $(Q)$(MAKE) $(build)=tools/$@ 1134 1135tools-all: export HOST_TOOLS_ALL=y 1136tools-all: env tools ; 1137 1138cross_tools: export CROSS_BUILD_TOOLS=y 1139cross_tools: tools ; 1140 1141.PHONY : CHANGELOG 1142CHANGELOG: 1143 git log --no-merges U-Boot-1_1_5.. | \ 1144 unexpand -a | sed -e 's/\s\s*$$//' > $@ 1145 1146include/license.h: tools/bin2header COPYING 1147 cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h 1148######################################################################### 1149 1150### 1151# Cleaning is done on three levels. 1152# make clean Delete most generated files 1153# Leave enough to build external modules 1154# make mrproper Delete the current configuration, and all generated files 1155# make distclean Remove editor backup files, patch leftover files and the like 1156 1157# Directories & files removed with 'make clean' 1158CLEAN_DIRS += $(MODVERDIR) 1159CLEAN_FILES += u-boot.lds include/bmp_logo.h include/bmp_logo_data.h \ 1160 include/autoconf.mk* include/spl-autoconf.mk \ 1161 include/tpl-autoconf.mk 1162 1163# Directories & files removed with 'make clobber' 1164CLOBBER_DIRS += $(patsubst %,spl/%, $(filter-out Makefile, \ 1165 $(shell ls -1 spl 2>/dev/null))) \ 1166 tpl 1167CLOBBER_FILES += u-boot* MLO* SPL System.map nand_spl/u-boot* 1168 1169# Directories & files removed with 'make mrproper' 1170MRPROPER_DIRS += include/config include/generated 1171MRPROPER_FILES += .config .config.old \ 1172 tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS \ 1173 include/config.h include/config.mk 1174 1175# clean - Delete most, but leave enough to build external modules 1176# 1177clean: rm-dirs := $(CLEAN_DIRS) 1178clean: rm-files := $(CLEAN_FILES) 1179 1180clean-dirs := $(foreach f,$(u-boot-alldirs),$(if $(wildcard $f/Makefile),$f)) 1181 1182clean-dirs := $(addprefix _clean_, $(clean-dirs) doc/DocBook) 1183 1184PHONY += $(clean-dirs) clean archclean 1185$(clean-dirs): 1186 $(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@) 1187 1188# TODO: Do not use *.cfgtmp 1189clean: $(clean-dirs) 1190 $(call cmd,rmdirs) 1191 $(call cmd,rmfiles) 1192 @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \ 1193 \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \ 1194 -o -name '*.ko.*' -o -name '*.su' -o -name '*.cfgtmp' \ 1195 -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \ 1196 -o -name '*.symtypes' -o -name 'modules.order' \ 1197 -o -name modules.builtin -o -name '.tmp_*.o.*' \ 1198 -o -name '*.gcno' \) -type f -print | xargs rm -f 1199 @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \ 1200 -path './nand_spl/*' -type l -print | xargs rm -f 1201 1202# clobber 1203# 1204clobber: rm-dirs := $(CLOBBER_DIRS) 1205clobber: rm-files := $(CLOBBER_FILES) 1206 1207PHONY += clobber 1208 1209clobber: clean 1210 $(call cmd,rmdirs) 1211 $(call cmd,rmfiles) 1212 1213# mrproper - Delete all generated files, including .config 1214# 1215mrproper: rm-dirs := $(wildcard $(MRPROPER_DIRS)) 1216mrproper: rm-files := $(wildcard $(MRPROPER_FILES)) 1217mrproper-dirs := $(addprefix _mrproper_,scripts) 1218 1219PHONY += $(mrproper-dirs) mrproper archmrproper 1220$(mrproper-dirs): 1221 $(Q)$(MAKE) $(clean)=$(patsubst _mrproper_%,%,$@) 1222 1223mrproper: clobber $(mrproper-dirs) 1224 $(call cmd,rmdirs) 1225 $(call cmd,rmfiles) 1226 @rm -f arch/*/include/asm/arch arch/*/include/asm/proc 1227 1228# distclean 1229# 1230PHONY += distclean 1231 1232distclean: mrproper 1233 @find $(srctree) $(RCS_FIND_IGNORE) \ 1234 \( -name '*.orig' -o -name '*.rej' -o -name '*~' \ 1235 -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \ 1236 -o -name '.*.rej' \ 1237 -o -name '*%' -o -name '.*.cmd' -o -name 'core' \) \ 1238 -type f -print | xargs rm -f 1239 1240backup: 1241 F=`basename $(srctree)` ; cd .. ; \ 1242 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F 1243 1244help: 1245 @echo 'Cleaning targets:' 1246 @echo ' clean - Remove most generated files but keep the config and' 1247 @echo ' necessities for testing u-boot' 1248 @echo ' clobber - Remove most generated files but keep the config' 1249 @echo ' mrproper - Remove all generated files + config + various backup files' 1250 @echo ' distclean - mrproper + remove editor backup and patch files' 1251 @echo '' 1252# uncomment after adding Kconfig feature 1253# @echo 'Configuration targets:' 1254# @$(MAKE) -f $(srctree)/scripts/kconfig/Makefile help 1255# @echo '' 1256 @echo 'Other generic targets:' 1257 @echo ' all - Build all necessary images depending on configuration' 1258 @echo ' u-boot - Build the bare u-boot' 1259 @echo ' dir/ - Build all files in dir and below' 1260 @echo ' dir/file.[oisS] - Build specified target only' 1261 @echo ' dir/file.lst - Build specified mixed source/assembly target only' 1262 @echo ' (requires a recent binutils and recent build (System.map))' 1263 @echo ' tags/TAGS - Generate tags file for editors' 1264 @echo ' cscope - Generate cscope index' 1265 @echo ' ubootrelease - Output the release version string' 1266 @echo ' ubootversion - Output the version stored in Makefile' 1267 @echo '' 1268 @echo 'Static analysers' 1269 @echo ' checkstack - Generate a list of stack hogs' 1270 @echo '' 1271 @echo 'Documentation targets:' 1272 @$(MAKE) -f $(srctree)/doc/DocBook/Makefile dochelp 1273 @echo '' 1274 @echo ' make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build' 1275 @echo ' make V=2 [targets] 2 => give reason for rebuild of target' 1276 @echo ' make O=dir [targets] Locate all output files in "dir", including .config' 1277 @echo ' make C=1 [targets] Check all c source with $$CHECK (sparse by default)' 1278 @echo ' make C=2 [targets] Force check of all c source with $$CHECK' 1279 @echo ' make RECORDMCOUNT_WARN=1 [targets] Warn about ignored mcount sections' 1280 @echo ' make W=n [targets] Enable extra gcc checks, n=1,2,3 where' 1281 @echo ' 1: warnings which may be relevant and do not occur too often' 1282 @echo ' 2: warnings which occur quite often but may still be relevant' 1283 @echo ' 3: more obscure warnings, can most likely be ignored' 1284 @echo ' Multiple levels can be combined with W=12 or W=123' 1285 @echo '' 1286 @echo 'Execute "make" or "make all" to build all targets marked with [*] ' 1287 @echo 'For further info see the ./README file' 1288 1289 1290# Documentation targets 1291# --------------------------------------------------------------------------- 1292%docs: scripts_basic FORCE 1293 $(Q)$(MAKE) $(build)=scripts build_docproc 1294 $(Q)$(MAKE) $(build)=doc/DocBook $@ 1295 1296# Dummies... 1297PHONY += prepare scripts 1298prepare: ; 1299scripts: ; 1300 1301endif #ifeq ($(config-targets),1) 1302endif #ifeq ($(mixed-targets),1) 1303 1304PHONY += checkstack ubootrelease ubootversion 1305 1306checkstack: 1307 $(OBJDUMP) -d u-boot $$(find . -name u-boot-spl) | \ 1308 $(PERL) $(src)/scripts/checkstack.pl $(ARCH) 1309 1310ubootrelease: 1311 @echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" 1312 1313ubootversion: 1314 @echo $(UBOOTVERSION) 1315 1316# Single targets 1317# --------------------------------------------------------------------------- 1318# Single targets are compatible with: 1319# - build with mixed source and output 1320# - build with separate output dir 'make O=...' 1321# - external modules 1322# 1323# target-dir => where to store outputfile 1324# build-dir => directory in kernel source tree to use 1325 1326ifeq ($(KBUILD_EXTMOD),) 1327 build-dir = $(patsubst %/,%,$(dir $@)) 1328 target-dir = $(dir $@) 1329else 1330 zap-slash=$(filter-out .,$(patsubst %/,%,$(dir $@))) 1331 build-dir = $(KBUILD_EXTMOD)$(if $(zap-slash),/$(zap-slash)) 1332 target-dir = $(if $(KBUILD_EXTMOD),$(dir $<),$(dir $@)) 1333endif 1334 1335%.s: %.c prepare scripts FORCE 1336 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1337%.i: %.c prepare scripts FORCE 1338 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1339%.o: %.c prepare scripts FORCE 1340 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1341%.lst: %.c prepare scripts FORCE 1342 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1343%.s: %.S prepare scripts FORCE 1344 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1345%.o: %.S prepare scripts FORCE 1346 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1347%.symtypes: %.c prepare scripts FORCE 1348 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1349 1350# Modules 1351/: prepare scripts FORCE 1352 $(cmd_crmodverdir) 1353 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 1354 $(build)=$(build-dir) 1355%/: prepare scripts FORCE 1356 $(cmd_crmodverdir) 1357 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 1358 $(build)=$(build-dir) 1359%.ko: prepare scripts FORCE 1360 $(cmd_crmodverdir) 1361 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 1362 $(build)=$(build-dir) $(@:.ko=.o) 1363 $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost 1364 1365# FIXME Should go into a make.lib or something 1366# =========================================================================== 1367 1368quiet_cmd_rmdirs = $(if $(wildcard $(rm-dirs)),CLEAN $(wildcard $(rm-dirs))) 1369 cmd_rmdirs = rm -rf $(rm-dirs) 1370 1371quiet_cmd_rmfiles = $(if $(wildcard $(rm-files)),CLEAN $(wildcard $(rm-files))) 1372 cmd_rmfiles = rm -f $(rm-files) 1373 1374# read all saved command lines 1375 1376targets := $(wildcard $(sort $(targets))) 1377cmd_files := $(wildcard .*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd)) 1378 1379ifneq ($(cmd_files),) 1380 $(cmd_files): ; # Do not try to update included dependency files 1381 include $(cmd_files) 1382endif 1383 1384# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.clean obj=dir 1385# Usage: 1386# $(Q)$(MAKE) $(clean)=dir 1387clean := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.clean obj 1388 1389endif # skip-makefile 1390 1391PHONY += FORCE 1392FORCE: 1393 1394# Declare the contents of the .PHONY variable as phony. We keep that 1395# information in a variable so we can use it in if_changed and friends. 1396.PHONY: $(PHONY) 1397