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 = 01 10SUBLEVEL = 11EXTRAVERSION = 12NAME = 13 14# *DOCUMENTATION* 15# To see a list of typical targets execute "make help" 16# More info can be located in ./README 17# Comments in this file are targeted only to the developer, do not 18# expect to learn how to build the kernel reading this file. 19 20# Do not: 21# o use make's built-in rules and variables 22# (this increases performance and avoids hard-to-debug behaviour); 23# o print "Entering directory ..."; 24MAKEFLAGS += -rR --no-print-directory 25 26# Avoid funny character set dependencies 27unexport LC_ALL 28LC_COLLATE=C 29LC_NUMERIC=C 30export LC_COLLATE LC_NUMERIC 31 32# We are using a recursive build, so we need to do a little thinking 33# to get the ordering right. 34# 35# Most importantly: sub-Makefiles should only ever modify files in 36# their own directory. If in some directory we have a dependency on 37# a file in another dir (which doesn't happen often, but it's often 38# unavoidable when linking the built-in.o targets which finally 39# turn into vmlinux), we will call a sub make in that other dir, and 40# after that we are sure that everything which is in that other dir 41# is now up to date. 42# 43# The only cases where we need to modify files which have global 44# effects are thus separated out and done before the recursive 45# descending is started. They are now explicitly listed as the 46# prepare rule. 47 48# To put more focus on warnings, be less verbose as default 49# Use 'make V=1' to see the full commands 50 51ifeq ("$(origin V)", "command line") 52 KBUILD_VERBOSE = $(V) 53endif 54ifndef KBUILD_VERBOSE 55 KBUILD_VERBOSE = 0 56endif 57 58# Call a source code checker (by default, "sparse") as part of the 59# C compilation. 60# 61# Use 'make C=1' to enable checking of only re-compiled files. 62# Use 'make C=2' to enable checking of *all* source files, regardless 63# of whether they are re-compiled or not. 64# 65# See the file "Documentation/sparse.txt" for more details, including 66# where to get the "sparse" utility. 67 68ifeq ("$(origin C)", "command line") 69 KBUILD_CHECKSRC = $(C) 70endif 71ifndef KBUILD_CHECKSRC 72 KBUILD_CHECKSRC = 0 73endif 74 75# Use make M=dir to specify directory of external module to build 76# Old syntax make ... SUBDIRS=$PWD is still supported 77# Setting the environment variable KBUILD_EXTMOD take precedence 78ifdef SUBDIRS 79 KBUILD_EXTMOD ?= $(SUBDIRS) 80endif 81 82ifeq ("$(origin M)", "command line") 83 KBUILD_EXTMOD := $(M) 84endif 85 86# kbuild supports saving output files in a separate directory. 87# To locate output files in a separate directory two syntaxes are supported. 88# In both cases the working directory must be the root of the kernel src. 89# 1) O= 90# Use "make O=dir/to/store/output/files/" 91# 92# 2) Set KBUILD_OUTPUT 93# Set the environment variable KBUILD_OUTPUT to point to the directory 94# where the output files shall be placed. 95# export KBUILD_OUTPUT=dir/to/store/output/files/ 96# make 97# 98# The O= assignment takes precedence over the KBUILD_OUTPUT environment 99# variable. 100 101 102# KBUILD_SRC is set on invocation of make in OBJ directory 103# KBUILD_SRC is not intended to be used by the regular user (for now) 104ifeq ($(KBUILD_SRC),) 105 106# OK, Make called in directory where kernel src resides 107# Do we want to locate output files in a separate directory? 108ifeq ("$(origin O)", "command line") 109 KBUILD_OUTPUT := $(O) 110endif 111 112ifeq ("$(origin W)", "command line") 113 export KBUILD_ENABLE_EXTRA_GCC_CHECKS := $(W) 114endif 115 116# That's our default target when none is given on the command line 117PHONY := _all 118_all: 119 120# Cancel implicit rules on top Makefile 121$(CURDIR)/Makefile Makefile: ; 122 123ifneq ($(KBUILD_OUTPUT),) 124# Invoke a second make in the output directory, passing relevant variables 125# check that the output directory actually exists 126saved-output := $(KBUILD_OUTPUT) 127KBUILD_OUTPUT := $(shell cd $(KBUILD_OUTPUT) && /bin/pwd) 128$(if $(KBUILD_OUTPUT),, \ 129 $(error output directory "$(saved-output)" does not exist)) 130 131PHONY += $(MAKECMDGOALS) sub-make 132 133$(filter-out _all sub-make $(CURDIR)/Makefile, $(MAKECMDGOALS)) _all: sub-make 134 @: 135 136sub-make: FORCE 137 $(if $(KBUILD_VERBOSE:1=),@)$(MAKE) -C $(KBUILD_OUTPUT) \ 138 KBUILD_SRC=$(CURDIR) \ 139 KBUILD_EXTMOD="$(KBUILD_EXTMOD)" -f $(CURDIR)/Makefile \ 140 $(filter-out _all sub-make,$(MAKECMDGOALS)) 141 142# Leave processing to above invocation of make 143skip-makefile := 1 144endif # ifneq ($(KBUILD_OUTPUT),) 145endif # ifeq ($(KBUILD_SRC),) 146 147# We process the rest of the Makefile if this is the final invocation of make 148ifeq ($(skip-makefile),) 149 150# If building an external module we do not care about the all: rule 151# but instead _all depend on modules 152PHONY += all 153ifeq ($(KBUILD_EXTMOD),) 154_all: all 155else 156_all: modules 157endif 158 159srctree := $(if $(KBUILD_SRC),$(KBUILD_SRC),$(CURDIR)) 160objtree := $(CURDIR) 161src := $(srctree) 162obj := $(objtree) 163 164VPATH := $(srctree)$(if $(KBUILD_EXTMOD),:$(KBUILD_EXTMOD)) 165 166export srctree objtree VPATH 167 168OBJTREE := $(objtree) 169SPLTREE := $(OBJTREE)/spl 170TPLTREE := $(OBJTREE)/tpl 171SRCTREE := $(srctree) 172TOPDIR := $(SRCTREE) 173export TOPDIR SRCTREE OBJTREE SPLTREE TPLTREE 174 175MKCONFIG := $(SRCTREE)/mkconfig 176export MKCONFIG 177 178# Make sure CDPATH settings don't interfere 179unexport CDPATH 180 181######################################################################### 182 183TIMESTAMP_FILE = include/generated/timestamp_autogenerated.h 184VERSION_FILE = include/generated/version_autogenerated.h 185 186HOSTARCH := $(shell uname -m | \ 187 sed -e s/i.86/x86/ \ 188 -e s/sun4u/sparc64/ \ 189 -e s/arm.*/arm/ \ 190 -e s/sa110/arm/ \ 191 -e s/ppc64/powerpc/ \ 192 -e s/ppc/powerpc/ \ 193 -e s/macppc/powerpc/\ 194 -e s/sh.*/sh/) 195 196HOSTOS := $(shell uname -s | tr '[:upper:]' '[:lower:]' | \ 197 sed -e 's/\(cygwin\).*/cygwin/') 198 199export HOSTARCH HOSTOS 200 201# Deal with colliding definitions from tcsh etc. 202VENDOR= 203 204######################################################################### 205 206# set default to nothing for native builds 207ifeq ($(HOSTARCH),$(ARCH)) 208CROSS_COMPILE ?= 209endif 210 211# SHELL used by kbuild 212CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \ 213 else if [ -x /bin/bash ]; then echo /bin/bash; \ 214 else echo sh; fi ; fi) 215 216HOSTCC = gcc 217HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer 218 219ifeq ($(HOSTOS),cygwin) 220HOSTCFLAGS += -ansi 221endif 222 223# Mac OS X / Darwin's C preprocessor is Apple specific. It 224# generates numerous errors and warnings. We want to bypass it 225# and use GNU C's cpp. To do this we pass the -traditional-cpp 226# option to the compiler. Note that the -traditional-cpp flag 227# DOES NOT have the same semantics as GNU C's flag, all it does 228# is invoke the GNU preprocessor in stock ANSI/ISO C fashion. 229# 230# Apple's linker is similar, thanks to the new 2 stage linking 231# multiple symbol definitions are treated as errors, hence the 232# -multiply_defined suppress option to turn off this error. 233# 234ifeq ($(HOSTOS),darwin) 235# get major and minor product version (e.g. '10' and '6' for Snow Leopard) 236DARWIN_MAJOR_VERSION = $(shell sw_vers -productVersion | cut -f 1 -d '.') 237DARWIN_MINOR_VERSION = $(shell sw_vers -productVersion | cut -f 2 -d '.') 238 239os_x_before = $(shell if [ $(DARWIN_MAJOR_VERSION) -le $(1) -a \ 240 $(DARWIN_MINOR_VERSION) -le $(2) ] ; then echo "$(3)"; else echo "$(4)"; fi ;) 241 242# Snow Leopards build environment has no longer restrictions as described above 243HOSTCC = $(call os_x_before, 10, 5, "cc", "gcc") 244HOSTCFLAGS += $(call os_x_before, 10, 4, "-traditional-cpp") 245HOSTLDFLAGS += $(call os_x_before, 10, 5, "-multiply_defined suppress") 246endif 247 248# Decide whether to build built-in, modular, or both. 249# Normally, just do built-in. 250 251KBUILD_MODULES := 252KBUILD_BUILTIN := 1 253 254# If we have only "make modules", don't compile built-in objects. 255# When we're building modules with modversions, we need to consider 256# the built-in objects during the descend as well, in order to 257# make sure the checksums are up to date before we record them. 258 259ifeq ($(MAKECMDGOALS),modules) 260 KBUILD_BUILTIN := $(if $(CONFIG_MODVERSIONS),1) 261endif 262 263# If we have "make <whatever> modules", compile modules 264# in addition to whatever we do anyway. 265# Just "make" or "make all" shall build modules as well 266 267# U-Boot does not need modules 268#ifneq ($(filter all _all modules,$(MAKECMDGOALS)),) 269# KBUILD_MODULES := 1 270#endif 271 272#ifeq ($(MAKECMDGOALS),) 273# KBUILD_MODULES := 1 274#endif 275 276export KBUILD_MODULES KBUILD_BUILTIN 277export KBUILD_CHECKSRC KBUILD_SRC KBUILD_EXTMOD 278 279# Beautify output 280# --------------------------------------------------------------------------- 281# 282# Normally, we echo the whole command before executing it. By making 283# that echo $($(quiet)$(cmd)), we now have the possibility to set 284# $(quiet) to choose other forms of output instead, e.g. 285# 286# quiet_cmd_cc_o_c = Compiling $(RELDIR)/$@ 287# cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $< 288# 289# If $(quiet) is empty, the whole command will be printed. 290# If it is set to "quiet_", only the short version will be printed. 291# If it is set to "silent_", nothing will be printed at all, since 292# the variable $(silent_cmd_cc_o_c) doesn't exist. 293# 294# A simple variant is to prefix commands with $(Q) - that's useful 295# for commands that shall be hidden in non-verbose mode. 296# 297# $(Q)ln $@ :< 298# 299# If KBUILD_VERBOSE equals 0 then the above command will be hidden. 300# If KBUILD_VERBOSE equals 1 then the above command is displayed. 301 302ifeq ($(KBUILD_VERBOSE),1) 303 quiet = 304 Q = 305else 306 quiet=quiet_ 307 Q = @ 308endif 309 310# If the user is running make -s (silent mode), suppress echoing of 311# commands 312 313ifneq ($(filter s% -s%,$(MAKEFLAGS)),) 314 quiet=silent_ 315endif 316 317export quiet Q KBUILD_VERBOSE 318 319 320# Look for make include files relative to root of kernel src 321MAKEFLAGS += --include-dir=$(srctree) 322 323# We need some generic definitions (do not try to remake the file). 324$(srctree)/scripts/Kbuild.include: ; 325include $(srctree)/scripts/Kbuild.include 326 327# Make variables (CC, etc...) 328 329AS = $(CROSS_COMPILE)as 330# Always use GNU ld 331ifneq ($(shell $(CROSS_COMPILE)ld.bfd -v 2> /dev/null),) 332LD = $(CROSS_COMPILE)ld.bfd 333else 334LD = $(CROSS_COMPILE)ld 335endif 336CC = $(CROSS_COMPILE)gcc 337CPP = $(CC) -E 338AR = $(CROSS_COMPILE)ar 339NM = $(CROSS_COMPILE)nm 340LDR = $(CROSS_COMPILE)ldr 341STRIP = $(CROSS_COMPILE)strip 342OBJCOPY = $(CROSS_COMPILE)objcopy 343OBJDUMP = $(CROSS_COMPILE)objdump 344AWK = awk 345RANLIB = $(CROSS_COMPILE)RANLIB 346DTC = dtc 347CHECK = sparse 348 349CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \ 350 -Wbitwise -Wno-return-void -D__CHECK_ENDIAN__ $(CF) 351 352KBUILD_CPPFLAGS := -D__KERNEL__ 353 354KBUILD_CFLAGS := -Wall -Wstrict-prototypes \ 355 -Wno-format-security \ 356 -fno-builtin -ffreestanding 357KBUILD_AFLAGS := -D__ASSEMBLY__ 358 359U_BOOT_VERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SUBLEVEL)))$(EXTRAVERSION) 360 361export VERSION PATCHLEVEL SUBLEVEL U_BOOT_VERSION 362export ARCH CPU BOARD VENDOR SOC 363export CONFIG_SHELL HOSTCC HOSTCFLAGS HOSTLDFLAGS CROSS_COMPILE AS LD CC 364export CPP AR NM LDR STRIP OBJCOPY OBJDUMP 365export MAKE AWK 366export DTC CHECK CHECKFLAGS 367 368export KBUILD_CPPFLAGS NOSTDINC_FLAGS UBOOTINCLUDE 369export KBUILD_CFLAGS KBUILD_AFLAGS 370 371# When compiling out-of-tree modules, put MODVERDIR in the module 372# tree rather than in the kernel tree. The kernel tree might 373# even be read-only. 374export MODVERDIR := $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/).tmp_versions 375 376# Files to ignore in find ... statements 377 378RCS_FIND_IGNORE := \( -name SCCS -o -name BitKeeper -o -name .svn -o -name CVS \ 379 -o -name .pc -o -name .hg -o -name .git \) -prune -o 380export RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn \ 381 --exclude CVS --exclude .pc --exclude .hg --exclude .git 382 383# =========================================================================== 384# Rules shared between *config targets and build targets 385 386# Basic helpers built in scripts/ 387PHONY += scripts_basic 388scripts_basic: 389 $(Q)$(MAKE) $(build)=scripts/basic 390 $(Q)rm -f .tmp_quiet_recordmcount 391 392# To avoid any implicit rule to kick in, define an empty command. 393scripts/basic/%: scripts_basic ; 394 395PHONY += outputmakefile 396# outputmakefile generates a Makefile in the output directory, if using a 397# separate output directory. This allows convenient use of make in the 398# output directory. 399outputmakefile: 400ifneq ($(KBUILD_SRC),) 401 $(Q)ln -fsn $(srctree) source 402 $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile \ 403 $(srctree) $(objtree) $(VERSION) $(PATCHLEVEL) 404endif 405 406# To make sure we do not include .config for any of the *config targets 407# catch them early, and hand them over to scripts/kconfig/Makefile 408# It is allowed to specify more targets when calling make, including 409# mixing *config targets and build targets. 410# For example 'make oldconfig all'. 411# Detect when mixed targets is specified, and make a second invocation 412# of make so .config is not included in this case either (for *config). 413 414no-dot-config-targets := clean clobber mrproper distclean \ 415 cscope TAGS %tags help %docs check% coccicheck \ 416 backup 417 418config-targets := 0 419mixed-targets := 0 420dot-config := 1 421 422ifneq ($(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$(error "System not configured - see README") 484endif 485 486ifeq ($(__HAVE_ARCH_GENERIC_BOARD),) 487ifneq ($(CONFIG_SYS_GENERIC_BOARD),) 488$(error Your architecture does not support generic board. \ 489Please undefined CONFIG_SYS_GENERIC_BOARD in your board config file) 490endif 491endif 492 493# If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use 494# that (or fail if absent). Otherwise, search for a linker script in a 495# standard location. 496 497LDSCRIPT_MAKEFILE_DIR = $(dir $(LDSCRIPT)) 498 499ifndef LDSCRIPT 500 #LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug 501 ifdef CONFIG_SYS_LDSCRIPT 502 # need to strip off double quotes 503 LDSCRIPT := $(CONFIG_SYS_LDSCRIPT:"%"=%) 504 endif 505endif 506 507# If there is no specified link script, we look in a number of places for it 508ifndef LDSCRIPT 509 ifeq ($(CONFIG_NAND_U_BOOT),y) 510 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-nand.lds 511 ifeq ($(wildcard $(LDSCRIPT)),) 512 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-nand.lds 513 endif 514 endif 515 ifeq ($(wildcard $(LDSCRIPT)),) 516 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds 517 endif 518 ifeq ($(wildcard $(LDSCRIPT)),) 519 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot.lds 520 endif 521 ifeq ($(wildcard $(LDSCRIPT)),) 522 LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot.lds 523 # We don't expect a Makefile here 524 LDSCRIPT_MAKEFILE_DIR = 525 endif 526 ifeq ($(wildcard $(LDSCRIPT)),) 527$(error could not find linker script) 528 endif 529endif 530 531else 532 533 534endif # $(dot-config) 535 536KBUILD_CFLAGS += -Os #-fomit-frame-pointer 537 538ifdef BUILD_TAG 539KBUILD_CFLAGS += -DBUILD_TAG='"$(BUILD_TAG)"' 540endif 541 542KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector) 543 544KBUILD_CFLAGS += -g 545# $(KBUILD_AFLAGS) sets -g, which causes gcc to pass a suitable -g<format> 546# option to the assembler. 547KBUILD_AFLAGS += -g 548 549# Report stack usage if supported 550KBUILD_CFLAGS += $(call cc-option,-fstack-usage) 551 552KBUILD_CFLAGS += $(call cc-option,-Wno-format-nonliteral) 553 554# turn jbsr into jsr for m68k 555ifeq ($(ARCH),m68k) 556ifeq ($(findstring 3.4,$(shell $(CC) --version)),3.4) 557KBUILD_AFLAGS += -Wa,-gstabs,-S 558endif 559endif 560 561ifneq ($(CONFIG_SYS_TEXT_BASE),) 562KBUILD_CPPFLAGS += -DCONFIG_SYS_TEXT_BASE=$(CONFIG_SYS_TEXT_BASE) 563endif 564 565export CONFIG_SYS_TEXT_BASE 566 567# Use UBOOTINCLUDE when you must reference the include/ directory. 568# Needed to be compatible with the O= option 569UBOOTINCLUDE := 570ifneq ($(OBJTREE),$(SRCTREE)) 571UBOOTINCLUDE += -I$(OBJTREE)/include 572endif 573UBOOTINCLUDE += -I$(srctree)/include \ 574 -I$(srctree)/arch/$(ARCH)/include 575 576NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include) 577CHECKFLAGS += $(NOSTDINC_FLAGS) 578 579# FIX ME 580cpp_flags := $(KBUILD_CPPFLAGS) $(CPPFLAGS) $(UBOOTINCLUDE) $(NOSTDINC_FLAGS) 581c_flags := $(KBUILD_CFLAGS) $(cpp_flags) 582 583.PHONY : $(VERSION_FILE) $(TIMESTAMP_FILE) 584 585######################################################################### 586# U-Boot objects....order is important (i.e. start must be first) 587 588head-y := $(CPUDIR)/start.o 589head-$(CONFIG_4xx) += arch/powerpc/cpu/ppc4xx/resetvec.o 590head-$(CONFIG_MPC85xx) += arch/powerpc/cpu/mpc85xx/resetvec.o 591 592HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n) 593 594libs-y += lib/ 595libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/ 596libs-y += $(CPUDIR)/ 597ifdef SOC 598libs-y += $(CPUDIR)/$(SOC)/ 599endif 600libs-$(CONFIG_IXP4XX_NPE) += drivers/net/npe/ 601libs-$(CONFIG_OF_EMBED) += dts/ 602libs-y += arch/$(ARCH)/lib/ 603libs-y += fs/ 604libs-y += net/ 605libs-y += disk/ 606libs-y += drivers/ 607libs-y += drivers/dma/ 608libs-y += drivers/gpio/ 609libs-y += drivers/i2c/ 610libs-y += drivers/input/ 611libs-y += drivers/mmc/ 612libs-y += drivers/mtd/ 613libs-$(CONFIG_CMD_NAND) += drivers/mtd/nand/ 614libs-y += drivers/mtd/onenand/ 615libs-$(CONFIG_CMD_UBI) += drivers/mtd/ubi/ 616libs-y += drivers/mtd/spi/ 617libs-y += drivers/net/ 618libs-y += drivers/net/phy/ 619libs-y += drivers/pci/ 620libs-y += drivers/power/ \ 621 drivers/power/fuel_gauge/ \ 622 drivers/power/mfd/ \ 623 drivers/power/pmic/ \ 624 drivers/power/battery/ 625libs-y += drivers/spi/ 626libs-$(CONFIG_FMAN_ENET) += drivers/net/fm/ 627libs-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/ 628libs-y += drivers/serial/ 629libs-y += drivers/usb/eth/ 630libs-y += drivers/usb/gadget/ 631libs-y += drivers/usb/host/ 632libs-y += drivers/usb/musb/ 633libs-y += drivers/usb/musb-new/ 634libs-y += drivers/usb/phy/ 635libs-y += drivers/usb/ulpi/ 636libs-y += common/ 637libs-y += lib/libfdt/ 638libs-$(CONFIG_API) += api/ 639libs-$(CONFIG_HAS_POST) += post/ 640libs-y += test/ 641 642ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610)) 643libs-y += arch/$(ARCH)/imx-common/ 644endif 645 646libs-$(CONFIG_ARM) += arch/arm/cpu/ 647libs-$(CONFIG_PPC) += arch/powerpc/cpu/ 648 649libs-y += board/$(BOARDDIR)/ 650 651libs-y := $(sort $(libs-y)) 652 653u-boot-dirs := $(patsubst %/,%,$(filter %/, $(libs-y))) tools examples 654 655u-boot-alldirs := $(sort $(u-boot-dirs) $(patsubst %/,%,$(filter %/, $(libs-)))) 656 657libs-y := $(patsubst %/, %/built-in.o, $(libs-y)) 658 659u-boot-init := $(head-y) 660u-boot-main := $(libs-y) 661 662 663# Add GCC lib 664ifdef USE_PRIVATE_LIBGCC 665ifeq ("$(USE_PRIVATE_LIBGCC)", "yes") 666PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/lib.a 667else 668PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc 669endif 670else 671PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(c_flags) -print-libgcc-file-name`) -lgcc 672endif 673PLATFORM_LIBS += $(PLATFORM_LIBGCC) 674export PLATFORM_LIBS 675 676# Special flags for CPP when processing the linker script. 677# Pass the version down so we can handle backwards compatibility 678# on the fly. 679LDPPFLAGS += \ 680 -include $(TOPDIR)/include/u-boot/u-boot.lds.h \ 681 -DCPUDIR=$(CPUDIR) \ 682 $(shell $(LD) --version | \ 683 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 684 685######################################################################### 686######################################################################### 687 688ifneq ($(CONFIG_BOARD_SIZE_LIMIT),) 689BOARD_SIZE_CHECK = \ 690 @actual=`wc -c $@ | awk '{print $$1}'`; \ 691 limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \ 692 if test $$actual -gt $$limit; then \ 693 echo "$@ exceeds file size limit:" >&2 ; \ 694 echo " limit: $$limit bytes" >&2 ; \ 695 echo " actual: $$actual bytes" >&2 ; \ 696 echo " excess: $$((actual - limit)) bytes" >&2; \ 697 exit 1; \ 698 fi 699else 700BOARD_SIZE_CHECK = 701endif 702 703# Statically apply RELA-style relocations (currently arm64 only) 704ifneq ($(CONFIG_STATIC_RELA),) 705# $(1) is u-boot ELF, $(2) is u-boot bin, $(3) is text base 706DO_STATIC_RELA = \ 707 start=$$($(NM) $(1) | grep __rel_dyn_start | cut -f 1 -d ' '); \ 708 end=$$($(NM) $(1) | grep __rel_dyn_end | cut -f 1 -d ' '); \ 709 tools/relocate-rela $(2) $(3) $$start $$end 710else 711DO_STATIC_RELA = 712endif 713 714# Always append ALL so that arch config.mk's can add custom ones 715ALL-y += u-boot.srec u-boot.bin System.map 716 717ALL-$(CONFIG_NAND_U_BOOT) += u-boot-nand.bin 718ALL-$(CONFIG_ONENAND_U_BOOT) += u-boot-onenand.bin 719ALL-$(CONFIG_RAMBOOT_PBL) += u-boot.pbl 720ALL-$(CONFIG_SPL) += spl/u-boot-spl.bin 721ALL-$(CONFIG_SPL_FRAMEWORK) += u-boot.img 722ALL-$(CONFIG_TPL) += tpl/u-boot-tpl.bin 723ALL-$(CONFIG_OF_SEPARATE) += u-boot-dtb.bin 724ifneq ($(CONFIG_SPL_TARGET),) 725ALL-$(CONFIG_SPL) += $(CONFIG_SPL_TARGET:"%"=%) 726endif 727ALL-$(CONFIG_REMAKE_ELF) += u-boot.elf 728 729# enable combined SPL/u-boot/dtb rules for tegra 730ifneq ($(CONFIG_TEGRA),) 731ifeq ($(CONFIG_SPL),y) 732ifeq ($(CONFIG_OF_SEPARATE),y) 733ALL-y += u-boot-dtb-tegra.bin 734else 735ALL-y += u-boot-nodtb-tegra.bin 736endif 737endif 738endif 739 740LDFLAGS_u-boot += -T u-boot.lds $(LDFLAGS_FINAL) 741ifneq ($(CONFIG_SYS_TEXT_BASE),) 742LDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE) 743endif 744 745all: $(ALL-y) 746 747PHONY += dtbs 748dtbs dts/dt.dtb: checkdtc u-boot 749 $(Q)$(MAKE) $(build)=dts dtbs 750 751u-boot-dtb.bin: u-boot.bin dts/dt.dtb 752 cat $^ >$@ 753 754u-boot.hex: u-boot 755 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ 756 757u-boot.srec: u-boot 758 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ 759 760u-boot.bin: u-boot 761 $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@ 762 $(call DO_STATIC_RELA,$<,$@,$(CONFIG_SYS_TEXT_BASE)) 763 $(BOARD_SIZE_CHECK) 764 765u-boot.ldr: u-boot 766 $(CREATE_LDR_ENV) 767 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS) 768 $(BOARD_SIZE_CHECK) 769 770u-boot.ldr.hex: u-boot.ldr 771 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary 772 773u-boot.ldr.srec: u-boot.ldr 774 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary 775 776# 777# U-Boot entry point, needed for booting of full-blown U-Boot 778# from the SPL U-Boot version. 779# 780ifndef CONFIG_SYS_UBOOT_START 781CONFIG_SYS_UBOOT_START := 0 782endif 783 784u-boot.img: u-boot.bin 785 tools/mkimage -A $(ARCH) -T firmware -C none \ 786 -O u-boot -a $(CONFIG_SYS_TEXT_BASE) \ 787 -e $(CONFIG_SYS_UBOOT_START) \ 788 -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \ 789 sed -e 's/"[ ]*$$/ for $(BOARD) board"/') \ 790 -d $< $@ 791 792u-boot.imx: u-boot.bin 793 $(MAKE) $(build)=arch/arm/imx-common $(objtree)/u-boot.imx 794 795u-boot.kwb: u-boot.bin 796 tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \ 797 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@ 798 799u-boot.pbl: u-boot.bin 800 tools/mkimage -n $(CONFIG_SYS_FSL_PBL_RCW) \ 801 -R $(CONFIG_SYS_FSL_PBL_PBI) -T pblimage \ 802 -d $< $@ 803 804u-boot.sha1: u-boot.bin 805 tools/ubsha1 u-boot.bin 806 807u-boot.dis: u-boot 808 $(OBJDUMP) -d $< > $@ 809 810# $@ is output, $(1) and $(2) are inputs, $(3) is padded intermediate, 811# $(4) is pad-to 812SPL_PAD_APPEND = \ 813 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(4) -I binary -O binary \ 814 $(1) $(3); \ 815 cat $(3) $(2) > $@; \ 816 rm $(3) 817 818ifdef CONFIG_TPL 819SPL_PAYLOAD := tpl/u-boot-with-tpl.bin 820else 821SPL_PAYLOAD := u-boot.bin 822endif 823 824u-boot-with-spl.bin: spl/u-boot-spl.bin $(SPL_PAYLOAD) 825 $(call SPL_PAD_APPEND,$<,$(SPL_PAYLOAD),spl/u-boot-spl-pad.bin,$(CONFIG_SPL_PAD_TO)) 826 827tpl/u-boot-with-tpl.bin: tpl/u-boot-tpl.bin u-boot.bin 828 $(call SPL_PAD_APPEND,$<,u-boot.bin,tpl/u-boot-tpl-pad.bin,$(CONFIG_TPL_PAD_TO)) 829 830u-boot-with-spl.imx: spl/u-boot-spl.bin u-boot.bin 831 $(MAKE) $(build)=arch/arm/imx-common \ 832 $(OBJTREE)/u-boot-with-spl.imx 833 834u-boot-with-nand-spl.imx: spl/u-boot-spl.bin u-boot.bin 835 $(MAKE) $(build)=arch/arm/imx-common \ 836 $(OBJTREE)/u-boot-with-nand-spl.imx 837 838u-boot.ubl: u-boot-with-spl.bin 839 tools/mkimage -n $(UBL_CONFIG) -T ublimage \ 840 -e $(CONFIG_SYS_TEXT_BASE) -d $< u-boot.ubl 841 842u-boot.ais: spl/u-boot-spl.bin u-boot.img 843 tools/mkimage -s -n $(if $(CONFIG_AIS_CONFIG_FILE),$(srctree)/$(CONFIG_AIS_CONFIG_FILE:"%"=%),"/dev/null") \ 844 -T aisimage \ 845 -e $(CONFIG_SPL_TEXT_BASE) \ 846 -d spl/u-boot-spl.bin \ 847 spl/u-boot-spl.ais 848 $(OBJCOPY) ${OBJCFLAGS} -I binary \ 849 --pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \ 850 spl/u-boot-spl.ais spl/u-boot-spl-pad.ais 851 cat spl/u-boot-spl-pad.ais u-boot.img > u-boot.ais 852 853 854u-boot.sb: u-boot.bin spl/u-boot-spl.bin 855 $(MAKE) $(build)=$(CPUDIR)/$(SOC)/ $(OBJTREE)/u-boot.sb 856 857# On x600 (SPEAr600) U-Boot is appended to U-Boot SPL. 858# Both images are created using mkimage (crc etc), so that the ROM 859# bootloader can check its integrity. Padding needs to be done to the 860# SPL image (with mkimage header) and not the binary. Otherwise the resulting image 861# which is loaded/copied by the ROM bootloader to SRAM doesn't fit. 862# The resulting image containing both U-Boot images is called u-boot.spr 863u-boot.spr: u-boot.img spl/u-boot-spl.bin 864 tools/mkimage -A $(ARCH) -T firmware -C none \ 865 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER \ 866 -d spl/u-boot-spl.bin $@ 867 $(OBJCOPY) -I binary -O binary \ 868 --pad-to=$(CONFIG_SPL_PAD_TO) --gap-fill=0xff $@ 869 cat u-boot.img >> $@ 870 871ifneq ($(CONFIG_TEGRA),) 872u-boot-nodtb-tegra.bin: spl/u-boot-spl.bin u-boot.bin 873 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary spl/u-boot-spl spl/u-boot-spl-pad.bin 874 cat spl/u-boot-spl-pad.bin u-boot.bin > $@ 875 rm spl/u-boot-spl-pad.bin 876 877ifeq ($(CONFIG_OF_SEPARATE),y) 878u-boot-dtb-tegra.bin: u-boot-nodtb-tegra.bin dts/dt.dtb 879 cat $^ > $@ 880endif 881endif 882 883u-boot-img.bin: spl/u-boot-spl.bin u-boot.img 884 cat spl/u-boot-spl.bin u-boot.img > $@ 885 886# PPC4xx needs the SPL at the end of the image, since the reset vector 887# is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target 888# and need to introduce a new build target with the full blown U-Boot 889# at the start padded up to the start of the SPL image. And then concat 890# the SPL image to the end. 891u-boot-img-spl-at-end.bin: spl/u-boot-spl.bin u-boot.img 892 $(OBJCOPY) -I binary -O binary --pad-to=$(CONFIG_UBOOT_PAD_TO) \ 893 --gap-fill=0xff u-boot.img $@ 894 cat spl/u-boot-spl.bin >> $@ 895 896# Create a new ELF from a raw binary file. This is useful for arm64 897# where static relocation needs to be performed on the raw binary, 898# but certain simulators only accept an ELF file (but don't do the 899# relocation). 900# FIXME refactor dts/Makefile to share target/arch detection 901u-boot.elf: u-boot.bin 902 @$(OBJCOPY) -B aarch64 -I binary -O elf64-littleaarch64 \ 903 $< u-boot-elf.o 904 @$(LD) u-boot-elf.o -o $@ \ 905 --defsym=_start=$(CONFIG_SYS_TEXT_BASE) \ 906 -Ttext=$(CONFIG_SYS_TEXT_BASE) 907 908ifeq ($(CONFIG_SANDBOX),y) 909GEN_UBOOT = \ 910 $(CC) $(SYMS) -T u-boot.lds \ 911 -Wl,--start-group $(u-boot-main) -Wl,--end-group \ 912 $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot 913else 914GEN_UBOOT = \ 915 $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \ 916 $(u-boot-init) \ 917 --start-group $(u-boot-main) --end-group $(PLATFORM_LIBS) \ 918 -Map u-boot.map -o u-boot 919endif 920 921u-boot: $(u-boot-init) $(u-boot-main) u-boot.lds 922 $(GEN_UBOOT) 923ifeq ($(CONFIG_KALLSYMS),y) 924 smap=`$(call SYSTEM_MAP,u-boot) | \ 925 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \ 926 $(CC) $(c_flags) -DSYSTEM_MAP="\"$${smap}\"" \ 927 -c $(srctree)/common/system_map.c -o common/system_map.o 928 $(GEN_UBOOT) common/system_map.o 929endif 930 931# The actual objects are generated when descending, 932# make sure no implicit rule kicks in 933$(sort $(u-boot-init) $(u-boot-main)): $(u-boot-dirs) ; 934 935# Handle descending into subdirectories listed in $(vmlinux-dirs) 936# Preset locale variables to speed up the build process. Limit locale 937# tweaks to this spot to avoid wrong language settings when running 938# make menuconfig etc. 939# Error messages still appears in the original language 940 941PHONY += $(u-boot-dirs) 942$(u-boot-dirs): depend prepare scripts 943 $(Q)$(MAKE) $(build)=$@ 944 945tools: $(TIMESTAMP_FILE) $(VERSION_FILE) 946# The "tools" are needed early 947$(filter-out tools, $(u-boot-dirs)): tools 948# The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC 949# is "yes"), so compile examples after U-Boot is compiled. 950examples: $(filter-out examples, $(u-boot-dirs)) 951 952# Things we need to do before we recursively start building the kernel 953# or the modules are listed in "prepare". 954# A multi level approach is used. prepareN is processed before prepareN-1. 955# archprepare is used in arch Makefiles and when processed asm symlink, 956# version.h and scripts_basic is processed / created. 957 958# Listed in dependency order 959PHONY += prepare archprepare prepare0 prepare1 prepare2 prepare3 960 961# prepare3 is used to check if we are building in a separate output directory, 962# and if so do: 963# 1) Check that make has not been executed in the kernel src $(srctree) 964prepare3: 965ifneq ($(KBUILD_SRC),) 966 @$(kecho) ' Using $(srctree) as source for u-boot' 967 $(Q)if [ -f $(srctree)/include/config.mk ]; then \ 968 echo >&2 " $(srctree) is not clean, please run 'make mrproper'"; \ 969 echo >&2 " in the '$(srctree)' directory.";\ 970 /bin/false; \ 971 fi; 972endif 973 974# prepare2 creates a makefile if using a separate output directory 975prepare2: prepare3 outputmakefile 976 977prepare1: prepare2 978 @: 979 980archprepare: prepare1 scripts_basic 981 982prepare0: archprepare FORCE 983 @: 984 985# All the preparing.. 986prepare: prepare0 987 988# 989# Auto-generate the autoconf.mk file (which is included by all makefiles) 990# 991# This target actually generates 2 files; autoconf.mk and autoconf.mk.dep. 992# the dep file is only include in this top level makefile to determine when 993# to regenerate the autoconf.mk file. 994 995quiet_cmd_autoconf_dep = GEN $@ 996 cmd_autoconf_dep = $(CC) -x c -DDO_DEPS_ONLY -M $(c_flags) \ 997 -MQ include/autoconf.mk $(srctree)/include/common.h > $@ || rm $@ 998 999include/autoconf.mk.dep: include/config.h include/common.h 1000 $(call cmd,autoconf_dep) 1001 1002quiet_cmd_autoconf = GEN $@ 1003 cmd_autoconf = \ 1004 $(CPP) $(c_flags) -DDO_DEPS_ONLY -dM $(srctree)/include/common.h > $@.tmp && \ 1005 sed -n -f $(srctree)/tools/scripts/define2mk.sed $@.tmp > $@; \ 1006 rm $@.tmp 1007 1008include/autoconf.mk: include/config.h 1009 $(call cmd,autoconf) 1010 1011u-boot.lds: $(LDSCRIPT) depend 1012 $(CPP) $(cpp_flags) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$< >$@ 1013 1014nand_spl: $(TIMESTAMP_FILE) $(VERSION_FILE) depend prepare 1015 $(MAKE) $(build)=nand_spl/board/$(BOARDDIR) all 1016 1017u-boot-nand.bin: nand_spl u-boot.bin 1018 cat nand_spl/u-boot-spl-16k.bin u-boot.bin > u-boot-nand.bin 1019 1020spl/u-boot-spl.bin: tools depend prepare 1021 $(MAKE) obj=spl -f $(srctree)/spl/Makefile all 1022 1023tpl/u-boot-tpl.bin: tools depend prepare 1024 $(MAKE) obj=tpl -f $(srctree)/spl/Makefile all CONFIG_TPL_BUILD=y 1025 1026# Explicitly make _depend in subdirs containing multiple targets to prevent 1027# parallel sub-makes creating .depend files simultaneously. 1028depend dep: $(TIMESTAMP_FILE) $(VERSION_FILE) \ 1029 include/generated/generic-asm-offsets.h \ 1030 include/generated/asm-offsets.h 1031 1032TAG_SUBDIRS := $(u-boot-dirs) include 1033 1034FIND := find 1035FINDFLAGS := -L 1036 1037PHONY += checkstack 1038 1039checkstack: 1040 $(OBJDUMP) -d u-boot $$(find . -name u-boot-spl) | \ 1041 $(PERL) $(src)/scripts/checkstack.pl $(ARCH) 1042 1043tags ctags: 1044 ctags -w -o ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 1045 -name '*.[chS]' -print` 1046 1047etags: 1048 etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 1049 -name '*.[chS]' -print` 1050cscope: 1051 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \ 1052 cscope.files 1053 cscope -b -q -k 1054 1055SYSTEM_MAP = \ 1056 $(NM) $1 | \ 1057 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \ 1058 LC_ALL=C sort 1059System.map: u-boot 1060 @$(call SYSTEM_MAP,$<) > $@ 1061 1062checkthumb: 1063 @if test $(call cc-version) -lt 0404; then \ 1064 echo -n '*** Your GCC does not produce working '; \ 1065 echo 'binaries in THUMB mode.'; \ 1066 echo '*** Your board is configured for THUMB mode.'; \ 1067 false; \ 1068 fi 1069 1070# GCC 3.x is reported to have problems generating the type of relocation 1071# that U-Boot wants. 1072# See http://lists.denx.de/pipermail/u-boot/2012-September/135156.html 1073checkgcc4: 1074 @if test $(call cc-version) -lt 0400; then \ 1075 echo -n '*** Your GCC is too old, please upgrade to GCC 4.x or newer'; \ 1076 false; \ 1077 fi 1078 1079checkdtc: 1080 @if test $(call dtc-version) -lt 0104; then \ 1081 echo '*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \ 1082 false; \ 1083 fi 1084 1085quiet_cmd_offsets = GEN $@ 1086 cmd_offsets = $(srctree)/tools/scripts/make-asm-offsets $< $@ 1087 1088include/generated/generic-asm-offsets.h: lib/asm-offsets.s 1089 $(call cmd,offsets) 1090 1091quiet_cmd_asm-offsets.s = CC $@ 1092 cmd_asm-offsets.s = mkdir -p lib; \ 1093 $(CC) -DDO_DEPS_ONLY \ 1094 $(c_flags) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ 1095 -o $@ $< -c -S 1096 1097lib/asm-offsets.s: $(srctree)/lib/asm-offsets.c include/config.h 1098 $(call cmd,asm-offsets.s) 1099 1100include/generated/asm-offsets.h: $(CPUDIR)/$(SOC)/asm-offsets.s 1101 $(call cmd,offsets) 1102 1103quiet_cmd_soc_asm-offsets.s = CC $@ 1104 cmd_soc_asm-offsets.s = mkdir -p $(CPUDIR)/$(SOC); \ 1105 if [ -f $(srctree)/$(CPUDIR)/$(SOC)/asm-offsets.c ];then \ 1106 $(CC) -DDO_DEPS_ONLY \ 1107 $(c_flags) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ 1108 -o $@ $(srctree)/$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \ 1109 else \ 1110 touch $@; \ 1111 fi 1112 1113$(CPUDIR)/$(SOC)/asm-offsets.s: include/config.h 1114 $(call cmd,soc_asm-offsets.s) 1115 1116######################################################################### 1117 1118# ARM relocations should all be R_ARM_RELATIVE (32-bit) or 1119# R_AARCH64_RELATIVE (64-bit). 1120checkarmreloc: u-boot 1121 @RELOC="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \ 1122 grep R_A | sort -u`"; \ 1123 if test "$$RELOC" != "R_ARM_RELATIVE" -a \ 1124 "$$RELOC" != "R_AARCH64_RELATIVE"; then \ 1125 echo "$< contains unexpected relocations: $$RELOC"; \ 1126 false; \ 1127 fi 1128 1129$(VERSION_FILE): 1130 @mkdir -p $(dir $(VERSION_FILE)) 1131 @( localvers='$(shell $(TOPDIR)/scripts/setlocalversion $(TOPDIR))' ; \ 1132 printf '#define PLAIN_VERSION "%s%s"\n' \ 1133 "$(U_BOOT_VERSION)" "$${localvers}" ; \ 1134 printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \ 1135 "$(U_BOOT_VERSION)" "$${localvers}" ; \ 1136 ) > $@.tmp 1137 @( printf '#define CC_VERSION_STRING "%s"\n' \ 1138 '$(shell $(CC) --version | head -n 1)' )>> $@.tmp 1139 @( printf '#define LD_VERSION_STRING "%s"\n' \ 1140 '$(shell $(LD) -v | head -n 1)' )>> $@.tmp 1141 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@ 1142 1143$(TIMESTAMP_FILE): 1144 @mkdir -p $(dir $(TIMESTAMP_FILE)) 1145 @LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp 1146 @LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@.tmp 1147 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@ 1148 1149env: depend scripts_basic 1150 $(Q)$(MAKE) $(build)=tools/$@ 1151 1152tools-all: HOST_TOOLS_ALL=y 1153tools-all: env tools ; 1154 1155.PHONY : CHANGELOG 1156CHANGELOG: 1157 git log --no-merges U-Boot-1_1_5.. | \ 1158 unexpand -a | sed -e 's/\s\s*$$//' > $@ 1159 1160include/license.h: tools/bin2header COPYING 1161 cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h 1162######################################################################### 1163 1164### 1165# Cleaning is done on three levels. 1166# make clean Delete most generated files 1167# Leave enough to build external modules 1168# make mrproper Delete the current configuration, and all generated files 1169# make distclean Remove editor backup files, patch leftover files and the like 1170 1171# Directories & files removed with 'make clean' 1172CLEAN_DIRS += $(MODVERDIR) 1173CLEAN_FILES += u-boot.lds include/bmp_logo.h include/bmp_logo_data.h \ 1174 board/*/config.tmp board/*/*/config.tmp \ 1175 include/autoconf.mk* include/spl-autoconf.mk \ 1176 include/tpl-autoconf.mk 1177 1178# Directories & files removed with 'make clobber' 1179CLOBBER_DIRS += $(patsubst %,spl/%, $(filter-out Makefile, \ 1180 $(shell ls -1 spl 2>/dev/null))) \ 1181 tpl 1182CLOBBER_FILES += u-boot* MLO MLO* SPL System.map nand_spl/u-boot* 1183 1184# Directories & files removed with 'make mrproper' 1185MRPROPER_DIRS += include/config include/generated 1186MRPROPER_FILES += .config .config.old \ 1187 tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS \ 1188 include/config.h include/config.mk 1189 1190# clean - Delete most, but leave enough to build external modules 1191# 1192clean: rm-dirs := $(CLEAN_DIRS) 1193clean: rm-files := $(CLEAN_FILES) 1194 1195clean-dirs := $(foreach f,$(u-boot-alldirs),$(if $(wildcard $f/Makefile),$f)) 1196 1197clean-dirs := $(addprefix _clean_, $(clean-dirs) doc/DocBook) 1198 1199PHONY += $(clean-dirs) clean archclean 1200$(clean-dirs): 1201 $(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@) 1202 1203# TODO: Do not use *.cfgtmp 1204clean: $(clean-dirs) 1205 $(call cmd,rmdirs) 1206 $(call cmd,rmfiles) 1207 @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \ 1208 \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \ 1209 -o -name '*.ko.*' -o -name '*.su' -o -name '*.cfgtmp' \ 1210 -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \ 1211 -o -name '*.symtypes' -o -name 'modules.order' \ 1212 -o -name modules.builtin -o -name '.tmp_*.o.*' \ 1213 -o -name '*.gcno' \) -type f -print | xargs rm -f 1214 @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \ 1215 -path './nand_spl/*' -type l -print | xargs rm -f 1216 1217# clobber 1218# 1219clobber: rm-dirs := $(CLOBBER_DIRS) 1220clobber: rm-files := $(CLOBBER_FILES) 1221 1222PHONY += clobber 1223 1224clobber: clean 1225 $(call cmd,rmdirs) 1226 $(call cmd,rmfiles) 1227 1228# mrproper - Delete all generated files, including .config 1229# 1230mrproper: rm-dirs := $(wildcard $(MRPROPER_DIRS)) 1231mrproper: rm-files := $(wildcard $(MRPROPER_FILES)) 1232mrproper-dirs := $(addprefix _mrproper_,scripts) 1233 1234PHONY += $(mrproper-dirs) mrproper archmrproper 1235$(mrproper-dirs): 1236 $(Q)$(MAKE) $(clean)=$(patsubst _mrproper_%,%,$@) 1237 1238mrproper: clobber $(mrproper-dirs) 1239 $(call cmd,rmdirs) 1240 $(call cmd,rmfiles) 1241 @rm -f arch/*/include/asm/arch arch/*/include/asm/proc 1242 1243# distclean 1244# 1245PHONY += distclean 1246 1247distclean: mrproper 1248 @find $(srctree) $(RCS_FIND_IGNORE) \ 1249 \( -name '*.orig' -o -name '*.rej' -o -name '*~' \ 1250 -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \ 1251 -o -name '.*.rej' \ 1252 -o -name '*%' -o -name '.*.cmd' -o -name 'core' \) \ 1253 -type f -print | xargs rm -f 1254 1255backup: 1256 F=`basename $(TOPDIR)` ; cd .. ; \ 1257 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F 1258 1259 1260# Documentation targets 1261# --------------------------------------------------------------------------- 1262%docs: scripts_basic FORCE 1263 $(Q)$(MAKE) $(build)=scripts build_docproc 1264 $(Q)$(MAKE) $(build)=doc/DocBook $@ 1265 1266# Dummies... 1267PHONY += prepare scripts 1268prepare: ; 1269scripts: ; 1270 1271endif #ifeq ($(config-targets),1) 1272endif #ifeq ($(mixed-targets),1) 1273 1274quiet_cmd_rmdirs = $(if $(wildcard $(rm-dirs)),CLEAN $(wildcard $(rm-dirs))) 1275 cmd_rmdirs = rm -rf $(rm-dirs) 1276 1277quiet_cmd_rmfiles = $(if $(wildcard $(rm-files)),CLEAN $(wildcard $(rm-files))) 1278 cmd_rmfiles = rm -f $(rm-files) 1279 1280# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.clean obj=dir 1281# Usage: 1282# $(Q)$(MAKE) $(clean)=dir 1283clean := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.clean obj 1284 1285endif # skip-makefile 1286 1287PHONY += FORCE 1288FORCE: 1289 1290# Declare the contents of the .PHONY variable as phony. We keep that 1291# information in a variable so we can use it in if_changed and friends. 1292.PHONY: $(PHONY) 1293