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 168SPLTREE := $(objtree)/spl 169TPLTREE := $(objtree)/tpl 170export SPLTREE TPLTREE 171 172MKCONFIG := $(srctree)/mkconfig 173export MKCONFIG 174 175# Make sure CDPATH settings don't interfere 176unexport CDPATH 177 178######################################################################### 179 180HOSTARCH := $(shell uname -m | \ 181 sed -e s/i.86/x86/ \ 182 -e s/sun4u/sparc64/ \ 183 -e s/arm.*/arm/ \ 184 -e s/sa110/arm/ \ 185 -e s/ppc64/powerpc/ \ 186 -e s/ppc/powerpc/ \ 187 -e s/macppc/powerpc/\ 188 -e s/sh.*/sh/) 189 190HOSTOS := $(shell uname -s | tr '[:upper:]' '[:lower:]' | \ 191 sed -e 's/\(cygwin\).*/cygwin/') 192 193export HOSTARCH HOSTOS 194 195# Deal with colliding definitions from tcsh etc. 196VENDOR= 197 198######################################################################### 199 200# set default to nothing for native builds 201ifeq ($(HOSTARCH),$(ARCH)) 202CROSS_COMPILE ?= 203endif 204 205# SHELL used by kbuild 206CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \ 207 else if [ -x /bin/bash ]; then echo /bin/bash; \ 208 else echo sh; fi ; fi) 209 210HOSTCC = gcc 211HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer 212 213ifeq ($(HOSTOS),cygwin) 214HOSTCFLAGS += -ansi 215endif 216 217# Mac OS X / Darwin's C preprocessor is Apple specific. It 218# generates numerous errors and warnings. We want to bypass it 219# and use GNU C's cpp. To do this we pass the -traditional-cpp 220# option to the compiler. Note that the -traditional-cpp flag 221# DOES NOT have the same semantics as GNU C's flag, all it does 222# is invoke the GNU preprocessor in stock ANSI/ISO C fashion. 223# 224# Apple's linker is similar, thanks to the new 2 stage linking 225# multiple symbol definitions are treated as errors, hence the 226# -multiply_defined suppress option to turn off this error. 227# 228ifeq ($(HOSTOS),darwin) 229# get major and minor product version (e.g. '10' and '6' for Snow Leopard) 230DARWIN_MAJOR_VERSION = $(shell sw_vers -productVersion | cut -f 1 -d '.') 231DARWIN_MINOR_VERSION = $(shell sw_vers -productVersion | cut -f 2 -d '.') 232 233os_x_before = $(shell if [ $(DARWIN_MAJOR_VERSION) -le $(1) -a \ 234 $(DARWIN_MINOR_VERSION) -le $(2) ] ; then echo "$(3)"; else echo "$(4)"; fi ;) 235 236# Snow Leopards build environment has no longer restrictions as described above 237HOSTCC = $(call os_x_before, 10, 5, "cc", "gcc") 238HOSTCFLAGS += $(call os_x_before, 10, 4, "-traditional-cpp") 239HOSTLDFLAGS += $(call os_x_before, 10, 5, "-multiply_defined suppress") 240endif 241 242# Decide whether to build built-in, modular, or both. 243# Normally, just do built-in. 244 245KBUILD_MODULES := 246KBUILD_BUILTIN := 1 247 248# If we have only "make modules", don't compile built-in objects. 249# When we're building modules with modversions, we need to consider 250# the built-in objects during the descend as well, in order to 251# make sure the checksums are up to date before we record them. 252 253ifeq ($(MAKECMDGOALS),modules) 254 KBUILD_BUILTIN := $(if $(CONFIG_MODVERSIONS),1) 255endif 256 257# If we have "make <whatever> modules", compile modules 258# in addition to whatever we do anyway. 259# Just "make" or "make all" shall build modules as well 260 261# U-Boot does not need modules 262#ifneq ($(filter all _all modules,$(MAKECMDGOALS)),) 263# KBUILD_MODULES := 1 264#endif 265 266#ifeq ($(MAKECMDGOALS),) 267# KBUILD_MODULES := 1 268#endif 269 270export KBUILD_MODULES KBUILD_BUILTIN 271export KBUILD_CHECKSRC KBUILD_SRC KBUILD_EXTMOD 272 273# Beautify output 274# --------------------------------------------------------------------------- 275# 276# Normally, we echo the whole command before executing it. By making 277# that echo $($(quiet)$(cmd)), we now have the possibility to set 278# $(quiet) to choose other forms of output instead, e.g. 279# 280# quiet_cmd_cc_o_c = Compiling $(RELDIR)/$@ 281# cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $< 282# 283# If $(quiet) is empty, the whole command will be printed. 284# If it is set to "quiet_", only the short version will be printed. 285# If it is set to "silent_", nothing will be printed at all, since 286# the variable $(silent_cmd_cc_o_c) doesn't exist. 287# 288# A simple variant is to prefix commands with $(Q) - that's useful 289# for commands that shall be hidden in non-verbose mode. 290# 291# $(Q)ln $@ :< 292# 293# If KBUILD_VERBOSE equals 0 then the above command will be hidden. 294# If KBUILD_VERBOSE equals 1 then the above command is displayed. 295 296ifeq ($(KBUILD_VERBOSE),1) 297 quiet = 298 Q = 299else 300 quiet=quiet_ 301 Q = @ 302endif 303 304# If the user is running make -s (silent mode), suppress echoing of 305# commands 306 307ifneq ($(filter s% -s%,$(MAKEFLAGS)),) 308 quiet=silent_ 309endif 310 311export quiet Q KBUILD_VERBOSE 312 313 314# Look for make include files relative to root of kernel src 315MAKEFLAGS += --include-dir=$(srctree) 316 317# We need some generic definitions (do not try to remake the file). 318$(srctree)/scripts/Kbuild.include: ; 319include $(srctree)/scripts/Kbuild.include 320 321# Make variables (CC, etc...) 322 323AS = $(CROSS_COMPILE)as 324# Always use GNU ld 325ifneq ($(shell $(CROSS_COMPILE)ld.bfd -v 2> /dev/null),) 326LD = $(CROSS_COMPILE)ld.bfd 327else 328LD = $(CROSS_COMPILE)ld 329endif 330CC = $(CROSS_COMPILE)gcc 331CPP = $(CC) -E 332AR = $(CROSS_COMPILE)ar 333NM = $(CROSS_COMPILE)nm 334LDR = $(CROSS_COMPILE)ldr 335STRIP = $(CROSS_COMPILE)strip 336OBJCOPY = $(CROSS_COMPILE)objcopy 337OBJDUMP = $(CROSS_COMPILE)objdump 338AWK = awk 339RANLIB = $(CROSS_COMPILE)RANLIB 340DTC = dtc 341CHECK = sparse 342 343CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \ 344 -Wbitwise -Wno-return-void -D__CHECK_ENDIAN__ $(CF) 345 346KBUILD_CPPFLAGS := -D__KERNEL__ 347 348KBUILD_CFLAGS := -Wall -Wstrict-prototypes \ 349 -Wno-format-security \ 350 -fno-builtin -ffreestanding 351KBUILD_AFLAGS := -D__ASSEMBLY__ 352 353# Read UBOOTRELEASE from include/config/uboot.release (if it exists) 354UBOOTRELEASE = $(shell cat include/config/uboot.release 2> /dev/null) 355UBOOTVERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SUBLEVEL)))$(EXTRAVERSION) 356 357export VERSION PATCHLEVEL SUBLEVEL UBOOTRELEASE UBOOTVERSION 358export ARCH CPU BOARD VENDOR SOC CPUDIR BOARDDIR 359export CONFIG_SHELL HOSTCC HOSTCFLAGS HOSTLDFLAGS CROSS_COMPILE AS LD CC 360export CPP AR NM LDR STRIP OBJCOPY OBJDUMP 361export MAKE AWK 362export DTC CHECK CHECKFLAGS 363 364export KBUILD_CPPFLAGS NOSTDINC_FLAGS UBOOTINCLUDE OBJCOPYFLAGS LDFLAGS 365export KBUILD_CFLAGS KBUILD_AFLAGS 366 367# When compiling out-of-tree modules, put MODVERDIR in the module 368# tree rather than in the kernel tree. The kernel tree might 369# even be read-only. 370export MODVERDIR := $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/).tmp_versions 371 372# Files to ignore in find ... statements 373 374RCS_FIND_IGNORE := \( -name SCCS -o -name BitKeeper -o -name .svn -o -name CVS \ 375 -o -name .pc -o -name .hg -o -name .git \) -prune -o 376export RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn \ 377 --exclude CVS --exclude .pc --exclude .hg --exclude .git 378 379# =========================================================================== 380# Rules shared between *config targets and build targets 381 382# Basic helpers built in scripts/ 383PHONY += scripts_basic 384scripts_basic: 385 $(Q)$(MAKE) $(build)=scripts/basic 386 $(Q)rm -f .tmp_quiet_recordmcount 387 388# To avoid any implicit rule to kick in, define an empty command. 389scripts/basic/%: scripts_basic ; 390 391PHONY += outputmakefile 392# outputmakefile generates a Makefile in the output directory, if using a 393# separate output directory. This allows convenient use of make in the 394# output directory. 395outputmakefile: 396ifneq ($(KBUILD_SRC),) 397 $(Q)ln -fsn $(srctree) source 398 $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile \ 399 $(srctree) $(objtree) $(VERSION) $(PATCHLEVEL) 400endif 401 402# To make sure we do not include .config for any of the *config targets 403# catch them early, and hand them over to scripts/kconfig/Makefile 404# It is allowed to specify more targets when calling make, including 405# mixing *config targets and build targets. 406# For example 'make oldconfig all'. 407# Detect when mixed targets is specified, and make a second invocation 408# of make so .config is not included in this case either (for *config). 409 410version_h := include/generated/version_autogenerated.h 411timestamp_h := include/generated/timestamp_autogenerated.h 412 413no-dot-config-targets := clean clobber mrproper distclean \ 414 help %docs check% coccicheck \ 415 ubootversion backup 416 417config-targets := 0 418mixed-targets := 0 419dot-config := 1 420 421ifneq ($(filter $(no-dot-config-targets), $(MAKECMDGOALS)),) 422 ifeq ($(filter-out $(no-dot-config-targets), $(MAKECMDGOALS)),) 423 dot-config := 0 424 endif 425endif 426 427ifeq ($(KBUILD_EXTMOD),) 428 ifneq ($(filter config %config,$(MAKECMDGOALS)),) 429 config-targets := 1 430 ifneq ($(filter-out config %config,$(MAKECMDGOALS)),) 431 mixed-targets := 1 432 endif 433 endif 434endif 435 436ifeq ($(mixed-targets),1) 437# =========================================================================== 438# We're called with mixed targets (*config and build targets). 439# Handle them one by one. 440 441PHONY += $(MAKECMDGOALS) build-one-by-one 442 443$(MAKECMDGOALS): build-one-by-one 444 @: 445 446build-one-by-one: 447 $(Q)set -e; \ 448 for i in $(MAKECMDGOALS); do \ 449 $(MAKE) -f $(srctree)/Makefile $$i; \ 450 done 451 452else 453ifeq ($(config-targets),1) 454# =========================================================================== 455# *config targets only - make sure prerequisites are updated, and descend 456# in scripts/kconfig to make the *config target 457 458# Read arch specific Makefile to set KBUILD_DEFCONFIG as needed. 459# KBUILD_DEFCONFIG may point out an alternative default configuration 460# used for 'make defconfig' 461 462%_config:: outputmakefile 463 @$(MKCONFIG) -A $(@:_config=) 464 465else 466# =========================================================================== 467# Build targets only - this includes vmlinux, arch specific targets, clean 468# targets and others. In general all targets except *config targets. 469 470# load ARCH, BOARD, and CPU configuration 471-include include/config.mk 472 473ifeq ($(dot-config),1) 474# Read in config 475-include include/autoconf.mk 476-include include/autoconf.mk.dep 477 478# load other configuration 479include $(srctree)/config.mk 480 481ifeq ($(wildcard include/config.mk),) 482$(error "System not configured - see README") 483endif 484 485# If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use 486# that (or fail if absent). Otherwise, search for a linker script in a 487# standard location. 488 489ifndef LDSCRIPT 490 #LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds.debug 491 ifdef CONFIG_SYS_LDSCRIPT 492 # need to strip off double quotes 493 LDSCRIPT := $(srctree)/$(CONFIG_SYS_LDSCRIPT:"%"=%) 494 endif 495endif 496 497# If there is no specified link script, we look in a number of places for it 498ifndef LDSCRIPT 499 ifeq ($(CONFIG_NAND_U_BOOT),y) 500 LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-nand.lds 501 ifeq ($(wildcard $(LDSCRIPT)),) 502 LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-nand.lds 503 endif 504 endif 505 ifeq ($(wildcard $(LDSCRIPT)),) 506 LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds 507 endif 508 ifeq ($(wildcard $(LDSCRIPT)),) 509 LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot.lds 510 endif 511 ifeq ($(wildcard $(LDSCRIPT)),) 512 LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot.lds 513 endif 514endif 515 516else 517 518 519endif # $(dot-config) 520 521KBUILD_CFLAGS += -Os #-fomit-frame-pointer 522 523ifdef BUILD_TAG 524KBUILD_CFLAGS += -DBUILD_TAG='"$(BUILD_TAG)"' 525endif 526 527KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector) 528 529KBUILD_CFLAGS += -g 530# $(KBUILD_AFLAGS) sets -g, which causes gcc to pass a suitable -g<format> 531# option to the assembler. 532KBUILD_AFLAGS += -g 533 534# Report stack usage if supported 535ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-stack-usage.sh $(CC)),y) 536 KBUILD_CFLAGS += -fstack-usage 537endif 538 539KBUILD_CFLAGS += $(call cc-option,-Wno-format-nonliteral) 540 541# turn jbsr into jsr for m68k 542ifeq ($(ARCH),m68k) 543ifeq ($(findstring 3.4,$(shell $(CC) --version)),3.4) 544KBUILD_AFLAGS += -Wa,-gstabs,-S 545endif 546endif 547 548ifneq ($(CONFIG_SYS_TEXT_BASE),) 549KBUILD_CPPFLAGS += -DCONFIG_SYS_TEXT_BASE=$(CONFIG_SYS_TEXT_BASE) 550endif 551 552export CONFIG_SYS_TEXT_BASE 553 554# Use UBOOTINCLUDE when you must reference the include/ directory. 555# Needed to be compatible with the O= option 556UBOOTINCLUDE := \ 557 -Iinclude \ 558 $(if $(KBUILD_SRC), -I$(srctree)/include) \ 559 -I$(srctree)/arch/$(ARCH)/include 560 561NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include) 562CHECKFLAGS += $(NOSTDINC_FLAGS) 563 564# FIX ME 565cpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \ 566 $(NOSTDINC_FLAGS) 567c_flags := $(KBUILD_CFLAGS) $(cpp_flags) 568 569######################################################################### 570# U-Boot objects....order is important (i.e. start must be first) 571 572head-y := $(CPUDIR)/start.o 573head-$(CONFIG_4xx) += arch/powerpc/cpu/ppc4xx/resetvec.o 574head-$(CONFIG_MPC85xx) += arch/powerpc/cpu/mpc85xx/resetvec.o 575 576HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n) 577 578libs-y += lib/ 579libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/ 580libs-y += $(CPUDIR)/ 581ifdef SOC 582libs-y += $(CPUDIR)/$(SOC)/ 583endif 584libs-$(CONFIG_OF_EMBED) += dts/ 585libs-y += arch/$(ARCH)/lib/ 586libs-y += fs/ 587libs-y += net/ 588libs-y += disk/ 589libs-y += drivers/ 590libs-$(CONFIG_DM) += drivers/core/ 591libs-y += drivers/dma/ 592libs-y += drivers/gpio/ 593libs-y += drivers/i2c/ 594libs-y += drivers/input/ 595libs-y += drivers/mmc/ 596libs-y += drivers/mtd/ 597libs-$(CONFIG_CMD_NAND) += drivers/mtd/nand/ 598libs-y += drivers/mtd/onenand/ 599libs-$(CONFIG_CMD_UBI) += drivers/mtd/ubi/ 600libs-y += drivers/mtd/spi/ 601libs-y += drivers/net/ 602libs-y += drivers/net/phy/ 603libs-y += drivers/pci/ 604libs-y += drivers/power/ \ 605 drivers/power/fuel_gauge/ \ 606 drivers/power/mfd/ \ 607 drivers/power/pmic/ \ 608 drivers/power/battery/ 609libs-y += drivers/spi/ 610libs-$(CONFIG_FMAN_ENET) += drivers/net/fm/ 611libs-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/ 612libs-y += drivers/serial/ 613libs-y += drivers/usb/eth/ 614libs-y += drivers/usb/gadget/ 615libs-y += drivers/usb/host/ 616libs-y += drivers/usb/musb/ 617libs-y += drivers/usb/musb-new/ 618libs-y += drivers/usb/phy/ 619libs-y += drivers/usb/ulpi/ 620libs-y += common/ 621libs-y += lib/libfdt/ 622libs-$(CONFIG_API) += api/ 623libs-$(CONFIG_HAS_POST) += post/ 624libs-y += test/ 625libs-y += test/dm/ 626libs-$(CONFIG_DM_DEMO) += drivers/demo/ 627 628ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610)) 629libs-y += arch/$(ARCH)/imx-common/ 630endif 631 632libs-$(CONFIG_ARM) += arch/arm/cpu/ 633libs-$(CONFIG_PPC) += arch/powerpc/cpu/ 634 635libs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/) 636 637libs-y := $(sort $(libs-y)) 638 639u-boot-dirs := $(patsubst %/,%,$(filter %/, $(libs-y))) tools examples 640 641u-boot-alldirs := $(sort $(u-boot-dirs) $(patsubst %/,%,$(filter %/, $(libs-)))) 642 643libs-y := $(patsubst %/, %/built-in.o, $(libs-y)) 644 645u-boot-init := $(head-y) 646u-boot-main := $(libs-y) 647 648 649# Add GCC lib 650ifdef CONFIG_USE_PRIVATE_LIBGCC 651ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y) 652PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a 653else 654PLATFORM_LIBGCC = -L $(CONFIG_USE_PRIVATE_LIBGCC) -lgcc 655endif 656else 657PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(c_flags) -print-libgcc-file-name`) -lgcc 658endif 659PLATFORM_LIBS += $(PLATFORM_LIBGCC) 660export PLATFORM_LIBS 661 662# Special flags for CPP when processing the linker script. 663# Pass the version down so we can handle backwards compatibility 664# on the fly. 665LDPPFLAGS += \ 666 -include $(srctree)/include/u-boot/u-boot.lds.h \ 667 -DCPUDIR=$(CPUDIR) \ 668 $(shell $(LD) --version | \ 669 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 670 671######################################################################### 672######################################################################### 673 674ifneq ($(CONFIG_BOARD_SIZE_LIMIT),) 675BOARD_SIZE_CHECK = \ 676 @actual=`wc -c $@ | awk '{print $$1}'`; \ 677 limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \ 678 if test $$actual -gt $$limit; then \ 679 echo "$@ exceeds file size limit:" >&2 ; \ 680 echo " limit: $$limit bytes" >&2 ; \ 681 echo " actual: $$actual bytes" >&2 ; \ 682 echo " excess: $$((actual - limit)) bytes" >&2; \ 683 exit 1; \ 684 fi 685else 686BOARD_SIZE_CHECK = 687endif 688 689# Statically apply RELA-style relocations (currently arm64 only) 690ifneq ($(CONFIG_STATIC_RELA),) 691# $(1) is u-boot ELF, $(2) is u-boot bin, $(3) is text base 692DO_STATIC_RELA = \ 693 start=$$($(NM) $(1) | grep __rel_dyn_start | cut -f 1 -d ' '); \ 694 end=$$($(NM) $(1) | grep __rel_dyn_end | cut -f 1 -d ' '); \ 695 tools/relocate-rela $(2) $(3) $$start $$end 696else 697DO_STATIC_RELA = 698endif 699 700# Always append ALL so that arch config.mk's can add custom ones 701ALL-y += u-boot.srec u-boot.bin System.map 702 703ALL-$(CONFIG_NAND_U_BOOT) += u-boot-nand.bin 704ALL-$(CONFIG_ONENAND_U_BOOT) += u-boot-onenand.bin 705ALL-$(CONFIG_RAMBOOT_PBL) += u-boot.pbl 706ALL-$(CONFIG_SPL) += spl/u-boot-spl.bin 707ALL-$(CONFIG_SPL_FRAMEWORK) += u-boot.img 708ALL-$(CONFIG_TPL) += tpl/u-boot-tpl.bin 709ALL-$(CONFIG_OF_SEPARATE) += u-boot.dtb u-boot-dtb.bin 710ALL-$(CONFIG_OF_HOSTFILE) += u-boot.dtb 711ifneq ($(CONFIG_SPL_TARGET),) 712ALL-$(CONFIG_SPL) += $(CONFIG_SPL_TARGET:"%"=%) 713endif 714ALL-$(CONFIG_REMAKE_ELF) += u-boot.elf 715 716# enable combined SPL/u-boot/dtb rules for tegra 717ifneq ($(CONFIG_TEGRA),) 718ifeq ($(CONFIG_SPL),y) 719ifeq ($(CONFIG_OF_SEPARATE),y) 720ALL-y += u-boot-dtb-tegra.bin 721else 722ALL-y += u-boot-nodtb-tegra.bin 723endif 724endif 725endif 726 727LDFLAGS_u-boot += $(LDFLAGS_FINAL) 728ifneq ($(CONFIG_SYS_TEXT_BASE),) 729LDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE) 730endif 731 732quiet_cmd_objcopy = OBJCOPY $@ 733cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@ 734 735quiet_cmd_mkimage = UIMAGE $@ 736cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \ 737 $(if $(KBUILD_VERBOSE:1=), >/dev/null) 738 739quiet_cmd_cat = CAT $@ 740cmd_cat = cat $(filter-out $(PHONY), $^) > $@ 741 742append = cat $(filter-out $< $(PHONY), $^) >> $@ 743 744quiet_cmd_pad_cat = CAT $@ 745cmd_pad_cat = $(cmd_objcopy) && $(append) || rm -f $@ 746 747all: $(ALL-y) 748 749PHONY += dtbs 750dtbs dts/dt.dtb: checkdtc u-boot 751 $(Q)$(MAKE) $(build)=dts dtbs 752 753u-boot-dtb.bin: u-boot.bin dts/dt.dtb FORCE 754 $(call if_changed,cat) 755 756quiet_cmd_copy = COPY $@ 757 cmd_copy = cp $< $@ 758 759u-boot.dtb: dts/dt.dtb 760 $(call cmd,copy) 761 762OBJCOPYFLAGS_u-boot.hex := -O ihex 763 764OBJCOPYFLAGS_u-boot.srec := -O srec 765 766u-boot.hex u-boot.srec: u-boot FORCE 767 $(call if_changed,objcopy) 768 769OBJCOPYFLAGS_u-boot.bin := -O binary 770 771u-boot.bin: u-boot FORCE 772 $(call if_changed,objcopy) 773 $(call DO_STATIC_RELA,$<,$@,$(CONFIG_SYS_TEXT_BASE)) 774 $(BOARD_SIZE_CHECK) 775 776u-boot.ldr: u-boot 777 $(CREATE_LDR_ENV) 778 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS) 779 $(BOARD_SIZE_CHECK) 780 781OBJCOPYFLAGS_u-boot.ldr.hex := -I binary -O ihex 782 783OBJCOPYFLAGS_u-boot.ldr.srec := -I binary -O srec 784 785u-boot.ldr.hex u-boot.ldr.srec: u-boot.ldr FORCE 786 $(call if_changed,objcopy) 787 788# 789# U-Boot entry point, needed for booting of full-blown U-Boot 790# from the SPL U-Boot version. 791# 792ifndef CONFIG_SYS_UBOOT_START 793CONFIG_SYS_UBOOT_START := 0 794endif 795 796MKIMAGEFLAGS_u-boot.img = -A $(ARCH) -T firmware -C none -O u-boot \ 797 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \ 798 -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board" 799 800MKIMAGEFLAGS_u-boot.kwb = -n $(srctree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%) \ 801 -T kwbimage -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) 802 803MKIMAGEFLAGS_u-boot.pbl = -n $(srctree)/$(CONFIG_SYS_FSL_PBL_RCW:"%"=%) \ 804 -R $(srctree)/$(CONFIG_SYS_FSL_PBL_PBI:"%"=%) -T pblimage 805 806u-boot.img u-boot.kwb u-boot.pbl: u-boot.bin FORCE 807 $(call if_changed,mkimage) 808 809u-boot.imx: u-boot.bin 810 $(Q)$(MAKE) $(build)=arch/arm/imx-common $@ 811 812u-boot.sha1: u-boot.bin 813 tools/ubsha1 u-boot.bin 814 815u-boot.dis: u-boot 816 $(OBJDUMP) -d $< > $@ 817 818ifdef CONFIG_TPL 819SPL_PAYLOAD := tpl/u-boot-with-tpl.bin 820else 821SPL_PAYLOAD := u-boot.bin 822endif 823 824OBJCOPYFLAGS_u-boot-with-spl.bin = -I binary -O binary \ 825 --pad-to=$(CONFIG_SPL_PAD_TO) 826u-boot-with-spl.bin: spl/u-boot-spl.bin $(SPL_PAYLOAD) FORCE 827 $(call if_changed,pad_cat) 828 829OBJCOPYFLAGS_u-boot-with-tpl.bin = -I binary -O binary \ 830 --pad-to=$(CONFIG_TPL_PAD_TO) 831tpl/u-boot-with-tpl.bin: tpl/u-boot-tpl.bin u-boot.bin FORCE 832 $(call if_changed,pad_cat) 833 834SPL: spl/u-boot-spl.bin FORCE 835 $(Q)$(MAKE) $(build)=arch/arm/imx-common $@ 836 837u-boot-with-spl.imx u-boot-with-nand-spl.imx: SPL u-boot.bin FORCE 838 $(Q)$(MAKE) $(build)=arch/arm/imx-common $@ 839 840MKIMAGEFLAGS_u-boot.ubl = -n $(UBL_CONFIG) -T ublimage -e $(CONFIG_SYS_TEXT_BASE) 841 842u-boot.ubl: u-boot-with-spl.bin FORCE 843 $(call if_changed,mkimage) 844 845MKIMAGEFLAGS_u-boot-spl.ais = -s -n $(if $(CONFIG_AIS_CONFIG_FILE), \ 846 $(srctree)/$(CONFIG_AIS_CONFIG_FILE:"%"=%),"/dev/null") \ 847 -T aisimage -e $(CONFIG_SPL_TEXT_BASE) 848spl/u-boot-spl.ais: spl/u-boot-spl.bin FORCE 849 $(call if_changed,mkimage) 850 851OBJCOPYFLAGS_u-boot.ais = -I binary -O binary --pad-to=$(CONFIG_SPL_MAX_SIZE) 852u-boot.ais: spl/u-boot-spl.ais u-boot.img FORCE 853 $(call if_changed,pad_cat) 854 855u-boot.sb: u-boot.bin spl/u-boot-spl.bin 856 $(Q)$(MAKE) $(build)=arch/arm/cpu/arm926ejs/mxs u-boot.sb 857 858# On x600 (SPEAr600) U-Boot is appended to U-Boot SPL. 859# Both images are created using mkimage (crc etc), so that the ROM 860# bootloader can check its integrity. Padding needs to be done to the 861# SPL image (with mkimage header) and not the binary. Otherwise the resulting image 862# which is loaded/copied by the ROM bootloader to SRAM doesn't fit. 863# The resulting image containing both U-Boot images is called u-boot.spr 864MKIMAGEFLAGS_u-boot-spl.img = -A $(ARCH) -T firmware -C none \ 865 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER 866spl/u-boot-spl.img: spl/u-boot-spl.bin FORCE 867 $(call if_changed,mkimage) 868 869OBJCOPYFLAGS_u-boot.spr = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) \ 870 --gap-fill=0xff 871u-boot.spr: spl/u-boot-spl.img u-boot.img FORCE 872 $(call if_changed,pad_cat) 873 874ifneq ($(CONFIG_TEGRA),) 875OBJCOPYFLAGS_u-boot-nodtb-tegra.bin = -O binary --pad-to=$(CONFIG_SYS_TEXT_BASE) 876u-boot-nodtb-tegra.bin: spl/u-boot-spl u-boot.bin FORCE 877 $(call if_changed,pad_cat) 878 879ifeq ($(CONFIG_OF_SEPARATE),y) 880u-boot-dtb-tegra.bin: u-boot-nodtb-tegra.bin dts/dt.dtb FORCE 881 $(call if_changed,cat) 882endif 883endif 884 885u-boot-img.bin: spl/u-boot-spl.bin u-boot.img FORCE 886 $(call if_changed,cat) 887 888# PPC4xx needs the SPL at the end of the image, since the reset vector 889# is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target 890# and need to introduce a new build target with the full blown U-Boot 891# at the start padded up to the start of the SPL image. And then concat 892# the SPL image to the end. 893 894OBJCOPYFLAGS_u-boot-img-spl-at-end.bin := -I binary -O binary \ 895 --pad-to=$(CONFIG_UBOOT_PAD_TO) --gap-fill=0xff 896u-boot-img-spl-at-end.bin: u-boot.img spl/u-boot-spl.bin FORCE 897 $(call if_changed,pad_cat) 898 899# Create a new ELF from a raw binary file. This is useful for arm64 900# where static relocation needs to be performed on the raw binary, 901# but certain simulators only accept an ELF file (but don't do the 902# relocation). 903# FIXME refactor dts/Makefile to share target/arch detection 904u-boot.elf: u-boot.bin 905 @$(OBJCOPY) -B aarch64 -I binary -O elf64-littleaarch64 \ 906 $< u-boot-elf.o 907 @$(LD) u-boot-elf.o -o $@ \ 908 --defsym=_start=$(CONFIG_SYS_TEXT_BASE) \ 909 -Ttext=$(CONFIG_SYS_TEXT_BASE) 910 911# Rule to link u-boot 912# May be overridden by arch/$(ARCH)/config.mk 913quiet_cmd_u-boot__ ?= LD $@ 914 cmd_u-boot__ ?= $(LD) $(LDFLAGS) $(LDFLAGS_u-boot) -o $@ \ 915 -T u-boot.lds $(u-boot-init) \ 916 --start-group $(u-boot-main) --end-group \ 917 $(PLATFORM_LIBS) -Map u-boot.map 918 919u-boot: $(u-boot-init) $(u-boot-main) u-boot.lds 920 $(call if_changed,u-boot__) 921ifeq ($(CONFIG_KALLSYMS),y) 922 smap=`$(call SYSTEM_MAP,u-boot) | \ 923 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \ 924 $(CC) $(c_flags) -DSYSTEM_MAP="\"$${smap}\"" \ 925 -c $(srctree)/common/system_map.c -o common/system_map.o 926 $(call cmd,u-boot__) common/system_map.o 927endif 928 929# The actual objects are generated when descending, 930# make sure no implicit rule kicks in 931$(sort $(u-boot-init) $(u-boot-main)): $(u-boot-dirs) ; 932 933# Handle descending into subdirectories listed in $(vmlinux-dirs) 934# Preset locale variables to speed up the build process. Limit locale 935# tweaks to this spot to avoid wrong language settings when running 936# make menuconfig etc. 937# Error messages still appears in the original language 938 939PHONY += $(u-boot-dirs) 940$(u-boot-dirs): prepare scripts 941 $(Q)$(MAKE) $(build)=$@ 942 943tools: prepare 944# The "tools" are needed early 945$(filter-out tools, $(u-boot-dirs)): tools 946# The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC 947# is "yes"), so compile examples after U-Boot is compiled. 948examples: $(filter-out examples, $(u-boot-dirs)) 949 950define filechk_uboot.release 951 echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" 952endef 953 954# Store (new) UBOOTRELEASE string in include/config/uboot.release 955include/config/uboot.release: Makefile FORCE 956 $(call filechk,uboot.release) 957 958 959# Things we need to do before we recursively start building the kernel 960# or the modules are listed in "prepare". 961# A multi level approach is used. prepareN is processed before prepareN-1. 962# archprepare is used in arch Makefiles and when processed asm symlink, 963# version.h and scripts_basic is processed / created. 964 965# Listed in dependency order 966PHONY += prepare archprepare prepare0 prepare1 prepare2 prepare3 967 968# prepare3 is used to check if we are building in a separate output directory, 969# and if so do: 970# 1) Check that make has not been executed in the kernel src $(srctree) 971prepare3: include/config/uboot.release 972ifneq ($(KBUILD_SRC),) 973 @$(kecho) ' Using $(srctree) as source for u-boot' 974 $(Q)if [ -f $(srctree)/include/config.mk ]; then \ 975 echo >&2 " $(srctree) is not clean, please run 'make mrproper'"; \ 976 echo >&2 " in the '$(srctree)' directory.";\ 977 /bin/false; \ 978 fi; 979endif 980 981# prepare2 creates a makefile if using a separate output directory 982prepare2: prepare3 outputmakefile 983 984prepare1: prepare2 $(version_h) $(timestamp_h) 985ifeq ($(__HAVE_ARCH_GENERIC_BOARD),) 986ifeq ($(CONFIG_SYS_GENERIC_BOARD),y) 987 @echo >&2 " Your architecture does not support generic board." 988 @echo >&2 " Please undefine CONFIG_SYS_GENERIC_BOARD in your board config file." 989 @/bin/false 990endif 991endif 992ifeq ($(wildcard $(LDSCRIPT)),) 993 @echo >&2 " Could not find linker script." 994 @/bin/false 995endif 996 997archprepare: prepare1 scripts_basic 998 999prepare0: archprepare FORCE 1000 $(Q)$(MAKE) $(build)=. 1001 1002# All the preparing.. 1003prepare: prepare0 1004 1005# Generate some files 1006# --------------------------------------------------------------------------- 1007 1008define filechk_version.h 1009 (echo \#define PLAIN_VERSION \"$(UBOOTRELEASE)\"; \ 1010 echo \#define U_BOOT_VERSION \"U-Boot \" PLAIN_VERSION; \ 1011 echo \#define CC_VERSION_STRING \"$$($(CC) --version | head -n 1)\"; \ 1012 echo \#define LD_VERSION_STRING \"$$($(LD) --version | head -n 1)\"; ) 1013endef 1014 1015define filechk_timestamp.h 1016 (LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"'; \ 1017 LC_ALL=C date +'#define U_BOOT_TIME "%T"') 1018endef 1019 1020$(version_h): include/config/uboot.release FORCE 1021 $(call filechk,version.h) 1022 1023$(timestamp_h): $(srctree)/Makefile FORCE 1024 $(call filechk,timestamp.h) 1025 1026# 1027# Auto-generate the autoconf.mk file (which is included by all makefiles) 1028# 1029# This target actually generates 2 files; autoconf.mk and autoconf.mk.dep. 1030# the dep file is only include in this top level makefile to determine when 1031# to regenerate the autoconf.mk file. 1032 1033quiet_cmd_autoconf_dep = GEN $@ 1034 cmd_autoconf_dep = $(CC) -x c -DDO_DEPS_ONLY -M $(c_flags) \ 1035 -MQ include/autoconf.mk $(srctree)/include/common.h > $@ || rm $@ 1036 1037include/autoconf.mk.dep: include/config.h include/common.h 1038 $(call cmd,autoconf_dep) 1039 1040quiet_cmd_autoconf = GEN $@ 1041 cmd_autoconf = \ 1042 $(CPP) $(c_flags) -DDO_DEPS_ONLY -dM $(srctree)/include/common.h > $@.tmp && \ 1043 sed -n -f $(srctree)/tools/scripts/define2mk.sed $@.tmp > $@; \ 1044 rm $@.tmp 1045 1046include/autoconf.mk: include/config.h 1047 $(call cmd,autoconf) 1048 1049# --------------------------------------------------------------------------- 1050 1051PHONY += depend dep 1052depend dep: 1053 @echo '*** Warning: make $@ is unnecessary now.' 1054 1055# --------------------------------------------------------------------------- 1056quiet_cmd_cpp_lds = LDS $@ 1057cmd_cpp_lds = $(CPP) $(cpp_flags) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ \ 1058 -x assembler-with-cpp -P -o $@ $< 1059 1060u-boot.lds: $(LDSCRIPT) prepare FORCE 1061 $(call if_changed,cpp_lds) 1062 1063PHONY += nand_spl 1064nand_spl: prepare 1065 $(Q)$(MAKE) $(build)=nand_spl/board/$(BOARDDIR) all 1066 @echo >&2 1067 @echo >&2 "==================== WARNING =====================" 1068 @echo >&2 "nand_spl will not be included in v2014.07 release." 1069 @echo >&2 "Please switch over to SPL." 1070 @echo >&2 "Otherwise, this board will be removed." 1071 @echo >&2 "==================================================" 1072 @echo >&2 1073 1074nand_spl/u-boot-spl-16k.bin: nand_spl 1075 @: 1076 1077u-boot-nand.bin: nand_spl/u-boot-spl-16k.bin u-boot.bin FORCE 1078 $(call if_changed,cat) 1079 1080spl/u-boot-spl.bin: spl/u-boot-spl 1081 @: 1082spl/u-boot-spl: tools prepare 1083 $(Q)$(MAKE) obj=spl -f $(srctree)/spl/Makefile all 1084 1085tpl/u-boot-tpl.bin: tools prepare 1086 $(Q)$(MAKE) obj=tpl -f $(srctree)/spl/Makefile all CONFIG_TPL_BUILD=y 1087 1088TAG_SUBDIRS := $(u-boot-dirs) include 1089 1090FIND := find 1091FINDFLAGS := -L 1092 1093tags ctags: 1094 ctags -w -o ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 1095 -name '*.[chS]' -print` 1096 1097etags: 1098 etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 1099 -name '*.[chS]' -print` 1100cscope: 1101 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \ 1102 cscope.files 1103 cscope -b -q -k 1104 1105SYSTEM_MAP = \ 1106 $(NM) $1 | \ 1107 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \ 1108 LC_ALL=C sort 1109System.map: u-boot 1110 @$(call SYSTEM_MAP,$<) > $@ 1111 1112checkdtc: 1113 @if test $(call dtc-version) -lt 0104; then \ 1114 echo '*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \ 1115 false; \ 1116 fi 1117 1118######################################################################### 1119 1120# ARM relocations should all be R_ARM_RELATIVE (32-bit) or 1121# R_AARCH64_RELATIVE (64-bit). 1122checkarmreloc: u-boot 1123 @RELOC="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \ 1124 grep R_A | sort -u`"; \ 1125 if test "$$RELOC" != "R_ARM_RELATIVE" -a \ 1126 "$$RELOC" != "R_AARCH64_RELATIVE"; then \ 1127 echo "$< contains unexpected relocations: $$RELOC"; \ 1128 false; \ 1129 fi 1130 1131env: scripts_basic 1132 $(Q)$(MAKE) $(build)=tools/$@ 1133 1134tools-all: export HOST_TOOLS_ALL=y 1135tools-all: env tools ; 1136 1137cross_tools: export CROSS_BUILD_TOOLS=y 1138cross_tools: tools ; 1139 1140.PHONY : CHANGELOG 1141CHANGELOG: 1142 git log --no-merges U-Boot-1_1_5.. | \ 1143 unexpand -a | sed -e 's/\s\s*$$//' > $@ 1144 1145include/license.h: tools/bin2header COPYING 1146 cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h 1147######################################################################### 1148 1149### 1150# Cleaning is done on three levels. 1151# make clean Delete most generated files 1152# Leave enough to build external modules 1153# make mrproper Delete the current configuration, and all generated files 1154# make distclean Remove editor backup files, patch leftover files and the like 1155 1156# Directories & files removed with 'make clean' 1157CLEAN_DIRS += $(MODVERDIR) 1158CLEAN_FILES += u-boot.lds include/bmp_logo.h include/bmp_logo_data.h \ 1159 include/autoconf.mk* include/spl-autoconf.mk \ 1160 include/tpl-autoconf.mk 1161 1162# Directories & files removed with 'make clobber' 1163CLOBBER_DIRS += $(patsubst %,spl/%, $(filter-out Makefile, \ 1164 $(shell ls -1 spl 2>/dev/null))) \ 1165 tpl 1166CLOBBER_FILES += u-boot* MLO* SPL System.map nand_spl/u-boot* 1167 1168# Directories & files removed with 'make mrproper' 1169MRPROPER_DIRS += include/config include/generated 1170MRPROPER_FILES += .config .config.old \ 1171 tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS \ 1172 include/config.h include/config.mk 1173 1174# clean - Delete most, but leave enough to build external modules 1175# 1176clean: rm-dirs := $(CLEAN_DIRS) 1177clean: rm-files := $(CLEAN_FILES) 1178 1179clean-dirs := $(foreach f,$(u-boot-alldirs),$(if $(wildcard $f/Makefile),$f)) 1180 1181clean-dirs := $(addprefix _clean_, $(clean-dirs) doc/DocBook) 1182 1183PHONY += $(clean-dirs) clean archclean 1184$(clean-dirs): 1185 $(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@) 1186 1187# TODO: Do not use *.cfgtmp 1188clean: $(clean-dirs) 1189 $(call cmd,rmdirs) 1190 $(call cmd,rmfiles) 1191 @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \ 1192 \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \ 1193 -o -name '*.ko.*' -o -name '*.su' -o -name '*.cfgtmp' \ 1194 -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \ 1195 -o -name '*.symtypes' -o -name 'modules.order' \ 1196 -o -name modules.builtin -o -name '.tmp_*.o.*' \ 1197 -o -name '*.gcno' \) -type f -print | xargs rm -f 1198 @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \ 1199 -path './nand_spl/*' -type l -print | xargs rm -f 1200 1201# clobber 1202# 1203clobber: rm-dirs := $(CLOBBER_DIRS) 1204clobber: rm-files := $(CLOBBER_FILES) 1205 1206PHONY += clobber 1207 1208clobber: clean 1209 $(call cmd,rmdirs) 1210 $(call cmd,rmfiles) 1211 1212# mrproper - Delete all generated files, including .config 1213# 1214mrproper: rm-dirs := $(wildcard $(MRPROPER_DIRS)) 1215mrproper: rm-files := $(wildcard $(MRPROPER_FILES)) 1216mrproper-dirs := $(addprefix _mrproper_,scripts) 1217 1218PHONY += $(mrproper-dirs) mrproper archmrproper 1219$(mrproper-dirs): 1220 $(Q)$(MAKE) $(clean)=$(patsubst _mrproper_%,%,$@) 1221 1222mrproper: clobber $(mrproper-dirs) 1223 $(call cmd,rmdirs) 1224 $(call cmd,rmfiles) 1225 @rm -f arch/*/include/asm/arch arch/*/include/asm/proc 1226 1227# distclean 1228# 1229PHONY += distclean 1230 1231distclean: mrproper 1232 @find $(srctree) $(RCS_FIND_IGNORE) \ 1233 \( -name '*.orig' -o -name '*.rej' -o -name '*~' \ 1234 -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \ 1235 -o -name '.*.rej' \ 1236 -o -name '*%' -o -name '.*.cmd' -o -name 'core' \) \ 1237 -type f -print | xargs rm -f 1238 1239backup: 1240 F=`basename $(srctree)` ; cd .. ; \ 1241 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F 1242 1243help: 1244 @echo 'Cleaning targets:' 1245 @echo ' clean - Remove most generated files but keep the config and' 1246 @echo ' necessities for testing u-boot' 1247 @echo ' clobber - Remove most generated files but keep the config' 1248 @echo ' mrproper - Remove all generated files + config + various backup files' 1249 @echo ' distclean - mrproper + remove editor backup and patch files' 1250 @echo '' 1251# uncomment after adding Kconfig feature 1252# @echo 'Configuration targets:' 1253# @$(MAKE) -f $(srctree)/scripts/kconfig/Makefile help 1254# @echo '' 1255 @echo 'Other generic targets:' 1256 @echo ' all - Build all necessary images depending on configuration' 1257 @echo ' u-boot - Build the bare u-boot' 1258 @echo ' dir/ - Build all files in dir and below' 1259 @echo ' dir/file.[oisS] - Build specified target only' 1260 @echo ' dir/file.lst - Build specified mixed source/assembly target only' 1261 @echo ' (requires a recent binutils and recent build (System.map))' 1262 @echo ' tags/TAGS - Generate tags file for editors' 1263 @echo ' cscope - Generate cscope index' 1264 @echo ' ubootrelease - Output the release version string' 1265 @echo ' ubootversion - Output the version stored in Makefile' 1266 @echo '' 1267 @echo 'Static analysers' 1268 @echo ' checkstack - Generate a list of stack hogs' 1269 @echo '' 1270 @echo 'Documentation targets:' 1271 @$(MAKE) -f $(srctree)/doc/DocBook/Makefile dochelp 1272 @echo '' 1273 @echo ' make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build' 1274 @echo ' make V=2 [targets] 2 => give reason for rebuild of target' 1275 @echo ' make O=dir [targets] Locate all output files in "dir", including .config' 1276 @echo ' make C=1 [targets] Check all c source with $$CHECK (sparse by default)' 1277 @echo ' make C=2 [targets] Force check of all c source with $$CHECK' 1278 @echo ' make RECORDMCOUNT_WARN=1 [targets] Warn about ignored mcount sections' 1279 @echo ' make W=n [targets] Enable extra gcc checks, n=1,2,3 where' 1280 @echo ' 1: warnings which may be relevant and do not occur too often' 1281 @echo ' 2: warnings which occur quite often but may still be relevant' 1282 @echo ' 3: more obscure warnings, can most likely be ignored' 1283 @echo ' Multiple levels can be combined with W=12 or W=123' 1284 @echo '' 1285 @echo 'Execute "make" or "make all" to build all targets marked with [*] ' 1286 @echo 'For further info see the ./README file' 1287 1288 1289# Documentation targets 1290# --------------------------------------------------------------------------- 1291%docs: scripts_basic FORCE 1292 $(Q)$(MAKE) $(build)=scripts build_docproc 1293 $(Q)$(MAKE) $(build)=doc/DocBook $@ 1294 1295# Dummies... 1296PHONY += prepare scripts 1297prepare: ; 1298scripts: ; 1299 1300endif #ifeq ($(config-targets),1) 1301endif #ifeq ($(mixed-targets),1) 1302 1303PHONY += checkstack ubootrelease ubootversion 1304 1305checkstack: 1306 $(OBJDUMP) -d u-boot $$(find . -name u-boot-spl) | \ 1307 $(PERL) $(src)/scripts/checkstack.pl $(ARCH) 1308 1309ubootrelease: 1310 @echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" 1311 1312ubootversion: 1313 @echo $(UBOOTVERSION) 1314 1315# Single targets 1316# --------------------------------------------------------------------------- 1317# Single targets are compatible with: 1318# - build with mixed source and output 1319# - build with separate output dir 'make O=...' 1320# - external modules 1321# 1322# target-dir => where to store outputfile 1323# build-dir => directory in kernel source tree to use 1324 1325ifeq ($(KBUILD_EXTMOD),) 1326 build-dir = $(patsubst %/,%,$(dir $@)) 1327 target-dir = $(dir $@) 1328else 1329 zap-slash=$(filter-out .,$(patsubst %/,%,$(dir $@))) 1330 build-dir = $(KBUILD_EXTMOD)$(if $(zap-slash),/$(zap-slash)) 1331 target-dir = $(if $(KBUILD_EXTMOD),$(dir $<),$(dir $@)) 1332endif 1333 1334%.s: %.c prepare scripts FORCE 1335 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1336%.i: %.c prepare scripts FORCE 1337 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1338%.o: %.c prepare scripts FORCE 1339 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1340%.lst: %.c prepare scripts FORCE 1341 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1342%.s: %.S prepare scripts FORCE 1343 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1344%.o: %.S prepare scripts FORCE 1345 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1346%.symtypes: %.c prepare scripts FORCE 1347 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1348 1349# Modules 1350/: prepare scripts FORCE 1351 $(cmd_crmodverdir) 1352 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 1353 $(build)=$(build-dir) 1354%/: prepare scripts FORCE 1355 $(cmd_crmodverdir) 1356 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 1357 $(build)=$(build-dir) 1358%.ko: prepare scripts FORCE 1359 $(cmd_crmodverdir) 1360 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 1361 $(build)=$(build-dir) $(@:.ko=.o) 1362 $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost 1363 1364# FIXME Should go into a make.lib or something 1365# =========================================================================== 1366 1367quiet_cmd_rmdirs = $(if $(wildcard $(rm-dirs)),CLEAN $(wildcard $(rm-dirs))) 1368 cmd_rmdirs = rm -rf $(rm-dirs) 1369 1370quiet_cmd_rmfiles = $(if $(wildcard $(rm-files)),CLEAN $(wildcard $(rm-files))) 1371 cmd_rmfiles = rm -f $(rm-files) 1372 1373# read all saved command lines 1374 1375targets := $(wildcard $(sort $(targets))) 1376cmd_files := $(wildcard .*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd)) 1377 1378ifneq ($(cmd_files),) 1379 $(cmd_files): ; # Do not try to update included dependency files 1380 include $(cmd_files) 1381endif 1382 1383# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.clean obj=dir 1384# Usage: 1385# $(Q)$(MAKE) $(clean)=dir 1386clean := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.clean obj 1387 1388endif # skip-makefile 1389 1390PHONY += FORCE 1391FORCE: 1392 1393# Declare the contents of the .PHONY variable as phony. We keep that 1394# information in a variable so we can use it in if_changed and friends. 1395.PHONY: $(PHONY) 1396