1# 2# (C) Copyright 2000-2013 3# Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4# 5# SPDX-License-Identifier: GPL-2.0+ 6# 7 8VERSION = 2014 9PATCHLEVEL = 04 10SUBLEVEL = 11EXTRAVERSION = -rc1 12NAME = 13 14# *DOCUMENTATION* 15# To see a list of typical targets execute "make help" 16# More info can be located in ./README 17# Comments in this file are targeted only to the developer, do not 18# expect to learn how to build the kernel reading this file. 19 20# Do not: 21# o use make's built-in rules and variables 22# (this increases performance and avoids hard-to-debug behaviour); 23# o print "Entering directory ..."; 24MAKEFLAGS += -rR --no-print-directory 25 26# Avoid funny character set dependencies 27unexport LC_ALL 28LC_COLLATE=C 29LC_NUMERIC=C 30export LC_COLLATE LC_NUMERIC 31 32# We are using a recursive build, so we need to do a little thinking 33# to get the ordering right. 34# 35# Most importantly: sub-Makefiles should only ever modify files in 36# their own directory. If in some directory we have a dependency on 37# a file in another dir (which doesn't happen often, but it's often 38# unavoidable when linking the built-in.o targets which finally 39# turn into vmlinux), we will call a sub make in that other dir, and 40# after that we are sure that everything which is in that other dir 41# is now up to date. 42# 43# The only cases where we need to modify files which have global 44# effects are thus separated out and done before the recursive 45# descending is started. They are now explicitly listed as the 46# prepare rule. 47 48# To put more focus on warnings, be less verbose as default 49# Use 'make V=1' to see the full commands 50 51ifeq ("$(origin V)", "command line") 52 KBUILD_VERBOSE = $(V) 53endif 54ifndef KBUILD_VERBOSE 55 KBUILD_VERBOSE = 0 56endif 57 58# Call a source code checker (by default, "sparse") as part of the 59# C compilation. 60# 61# Use 'make C=1' to enable checking of only re-compiled files. 62# Use 'make C=2' to enable checking of *all* source files, regardless 63# of whether they are re-compiled or not. 64# 65# See the file "Documentation/sparse.txt" for more details, including 66# where to get the "sparse" utility. 67 68ifeq ("$(origin C)", "command line") 69 KBUILD_CHECKSRC = $(C) 70endif 71ifndef KBUILD_CHECKSRC 72 KBUILD_CHECKSRC = 0 73endif 74 75# Use make M=dir to specify directory of external module to build 76# Old syntax make ... SUBDIRS=$PWD is still supported 77# Setting the environment variable KBUILD_EXTMOD take precedence 78ifdef SUBDIRS 79 KBUILD_EXTMOD ?= $(SUBDIRS) 80endif 81 82ifeq ("$(origin M)", "command line") 83 KBUILD_EXTMOD := $(M) 84endif 85 86# kbuild supports saving output files in a separate directory. 87# To locate output files in a separate directory two syntaxes are supported. 88# In both cases the working directory must be the root of the kernel src. 89# 1) O= 90# Use "make O=dir/to/store/output/files/" 91# 92# 2) Set KBUILD_OUTPUT 93# Set the environment variable KBUILD_OUTPUT to point to the directory 94# where the output files shall be placed. 95# export KBUILD_OUTPUT=dir/to/store/output/files/ 96# make 97# 98# The O= assignment takes precedence over the KBUILD_OUTPUT environment 99# variable. 100 101 102# KBUILD_SRC is set on invocation of make in OBJ directory 103# KBUILD_SRC is not intended to be used by the regular user (for now) 104ifeq ($(KBUILD_SRC),) 105 106# OK, Make called in directory where kernel src resides 107# Do we want to locate output files in a separate directory? 108ifeq ("$(origin O)", "command line") 109 KBUILD_OUTPUT := $(O) 110endif 111 112ifeq ("$(origin W)", "command line") 113 export KBUILD_ENABLE_EXTRA_GCC_CHECKS := $(W) 114endif 115 116# That's our default target when none is given on the command line 117PHONY := _all 118_all: 119 120# Cancel implicit rules on top Makefile 121$(CURDIR)/Makefile Makefile: ; 122 123ifneq ($(KBUILD_OUTPUT),) 124# Invoke a second make in the output directory, passing relevant variables 125# check that the output directory actually exists 126saved-output := $(KBUILD_OUTPUT) 127KBUILD_OUTPUT := $(shell cd $(KBUILD_OUTPUT) && /bin/pwd) 128$(if $(KBUILD_OUTPUT),, \ 129 $(error output directory "$(saved-output)" does not exist)) 130 131PHONY += $(MAKECMDGOALS) sub-make 132 133$(filter-out _all sub-make $(CURDIR)/Makefile, $(MAKECMDGOALS)) _all: sub-make 134 @: 135 136sub-make: FORCE 137 $(if $(KBUILD_VERBOSE:1=),@)$(MAKE) -C $(KBUILD_OUTPUT) \ 138 KBUILD_SRC=$(CURDIR) \ 139 KBUILD_EXTMOD="$(KBUILD_EXTMOD)" -f $(CURDIR)/Makefile \ 140 $(filter-out _all sub-make,$(MAKECMDGOALS)) 141 142# Leave processing to above invocation of make 143skip-makefile := 1 144endif # ifneq ($(KBUILD_OUTPUT),) 145endif # ifeq ($(KBUILD_SRC),) 146 147# We process the rest of the Makefile if this is the final invocation of make 148ifeq ($(skip-makefile),) 149 150# If building an external module we do not care about the all: rule 151# but instead _all depend on modules 152PHONY += all 153ifeq ($(KBUILD_EXTMOD),) 154_all: all 155else 156_all: modules 157endif 158 159srctree := $(if $(KBUILD_SRC),$(KBUILD_SRC),$(CURDIR)) 160objtree := $(CURDIR) 161src := $(srctree) 162obj := $(objtree) 163 164VPATH := $(srctree)$(if $(KBUILD_EXTMOD),:$(KBUILD_EXTMOD)) 165 166export srctree objtree VPATH 167 168OBJTREE := $(objtree) 169SPLTREE := $(OBJTREE)/spl 170TPLTREE := $(OBJTREE)/tpl 171SRCTREE := $(srctree) 172TOPDIR := $(SRCTREE) 173export TOPDIR SRCTREE OBJTREE SPLTREE TPLTREE 174 175MKCONFIG := $(SRCTREE)/mkconfig 176export MKCONFIG 177 178# Make sure CDPATH settings don't interfere 179unexport CDPATH 180 181######################################################################### 182 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) $(PATCHLEVEL) 404endif 405 406# To make sure we do not include .config for any of the *config targets 407# catch them early, and hand them over to scripts/kconfig/Makefile 408# It is allowed to specify more targets when calling make, including 409# mixing *config targets and build targets. 410# For example 'make oldconfig all'. 411# Detect when mixed targets is specified, and make a second invocation 412# of make so .config is not included in this case either (for *config). 413 414no-dot-config-targets := clean clobber mrproper distclean \ 415 help %docs check% coccicheck \ 416 backup 417 418config-targets := 0 419mixed-targets := 0 420dot-config := 1 421 422ifneq ($(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# $(KBUILD_AFLAGS) sets -g, which causes gcc to pass a suitable -g<format> 546# option to the assembler. 547KBUILD_AFLAGS += -g 548 549# Report stack usage if supported 550ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-stack-usage.sh $(CC)),y) 551 KBUILD_CFLAGS += -fstack-usage 552endif 553 554KBUILD_CFLAGS += $(call cc-option,-Wno-format-nonliteral) 555 556# turn jbsr into jsr for m68k 557ifeq ($(ARCH),m68k) 558ifeq ($(findstring 3.4,$(shell $(CC) --version)),3.4) 559KBUILD_AFLAGS += -Wa,-gstabs,-S 560endif 561endif 562 563ifneq ($(CONFIG_SYS_TEXT_BASE),) 564KBUILD_CPPFLAGS += -DCONFIG_SYS_TEXT_BASE=$(CONFIG_SYS_TEXT_BASE) 565endif 566 567export CONFIG_SYS_TEXT_BASE 568 569# Use UBOOTINCLUDE when you must reference the include/ directory. 570# Needed to be compatible with the O= option 571UBOOTINCLUDE := 572ifneq ($(OBJTREE),$(SRCTREE)) 573UBOOTINCLUDE += -I$(OBJTREE)/include 574endif 575UBOOTINCLUDE += -I$(srctree)/include \ 576 -I$(srctree)/arch/$(ARCH)/include 577 578NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include) 579CHECKFLAGS += $(NOSTDINC_FLAGS) 580 581# FIX ME 582cpp_flags := $(KBUILD_CPPFLAGS) $(CPPFLAGS) $(UBOOTINCLUDE) $(NOSTDINC_FLAGS) 583c_flags := $(KBUILD_CFLAGS) $(cpp_flags) 584 585.PHONY : $(VERSION_FILE) $(TIMESTAMP_FILE) 586 587######################################################################### 588# U-Boot objects....order is important (i.e. start must be first) 589 590head-y := $(CPUDIR)/start.o 591head-$(CONFIG_4xx) += arch/powerpc/cpu/ppc4xx/resetvec.o 592head-$(CONFIG_MPC85xx) += arch/powerpc/cpu/mpc85xx/resetvec.o 593 594HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n) 595 596libs-y += lib/ 597libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/ 598libs-y += $(CPUDIR)/ 599ifdef SOC 600libs-y += $(CPUDIR)/$(SOC)/ 601endif 602libs-$(CONFIG_OF_EMBED) += dts/ 603libs-y += arch/$(ARCH)/lib/ 604libs-y += fs/ 605libs-y += net/ 606libs-y += disk/ 607libs-y += drivers/ 608libs-y += drivers/dma/ 609libs-y += drivers/gpio/ 610libs-y += drivers/i2c/ 611libs-y += drivers/input/ 612libs-y += drivers/mmc/ 613libs-y += drivers/mtd/ 614libs-$(CONFIG_CMD_NAND) += drivers/mtd/nand/ 615libs-y += drivers/mtd/onenand/ 616libs-$(CONFIG_CMD_UBI) += drivers/mtd/ubi/ 617libs-y += drivers/mtd/spi/ 618libs-y += drivers/net/ 619libs-y += drivers/net/phy/ 620libs-y += drivers/pci/ 621libs-y += drivers/power/ \ 622 drivers/power/fuel_gauge/ \ 623 drivers/power/mfd/ \ 624 drivers/power/pmic/ \ 625 drivers/power/battery/ 626libs-y += drivers/spi/ 627libs-$(CONFIG_FMAN_ENET) += drivers/net/fm/ 628libs-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/ 629libs-y += drivers/serial/ 630libs-y += drivers/usb/eth/ 631libs-y += drivers/usb/gadget/ 632libs-y += drivers/usb/host/ 633libs-y += drivers/usb/musb/ 634libs-y += drivers/usb/musb-new/ 635libs-y += drivers/usb/phy/ 636libs-y += drivers/usb/ulpi/ 637libs-y += common/ 638libs-y += lib/libfdt/ 639libs-$(CONFIG_API) += api/ 640libs-$(CONFIG_HAS_POST) += post/ 641libs-y += test/ 642 643ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610)) 644libs-y += arch/$(ARCH)/imx-common/ 645endif 646 647libs-$(CONFIG_ARM) += arch/arm/cpu/ 648libs-$(CONFIG_PPC) += arch/powerpc/cpu/ 649 650libs-y += board/$(BOARDDIR)/ 651 652libs-y := $(sort $(libs-y)) 653 654u-boot-dirs := $(patsubst %/,%,$(filter %/, $(libs-y))) tools examples 655 656u-boot-alldirs := $(sort $(u-boot-dirs) $(patsubst %/,%,$(filter %/, $(libs-)))) 657 658libs-y := $(patsubst %/, %/built-in.o, $(libs-y)) 659 660u-boot-init := $(head-y) 661u-boot-main := $(libs-y) 662 663 664# Add GCC lib 665ifdef USE_PRIVATE_LIBGCC 666ifeq ("$(USE_PRIVATE_LIBGCC)", "yes") 667PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/lib.a 668else 669PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc 670endif 671else 672PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(c_flags) -print-libgcc-file-name`) -lgcc 673endif 674PLATFORM_LIBS += $(PLATFORM_LIBGCC) 675export PLATFORM_LIBS 676 677# Special flags for CPP when processing the linker script. 678# Pass the version down so we can handle backwards compatibility 679# on the fly. 680LDPPFLAGS += \ 681 -include $(TOPDIR)/include/u-boot/u-boot.lds.h \ 682 -DCPUDIR=$(CPUDIR) \ 683 $(shell $(LD) --version | \ 684 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 685 686######################################################################### 687######################################################################### 688 689ifneq ($(CONFIG_BOARD_SIZE_LIMIT),) 690BOARD_SIZE_CHECK = \ 691 @actual=`wc -c $@ | awk '{print $$1}'`; \ 692 limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \ 693 if test $$actual -gt $$limit; then \ 694 echo "$@ exceeds file size limit:" >&2 ; \ 695 echo " limit: $$limit bytes" >&2 ; \ 696 echo " actual: $$actual bytes" >&2 ; \ 697 echo " excess: $$((actual - limit)) bytes" >&2; \ 698 exit 1; \ 699 fi 700else 701BOARD_SIZE_CHECK = 702endif 703 704# Statically apply RELA-style relocations (currently arm64 only) 705ifneq ($(CONFIG_STATIC_RELA),) 706# $(1) is u-boot ELF, $(2) is u-boot bin, $(3) is text base 707DO_STATIC_RELA = \ 708 start=$$($(NM) $(1) | grep __rel_dyn_start | cut -f 1 -d ' '); \ 709 end=$$($(NM) $(1) | grep __rel_dyn_end | cut -f 1 -d ' '); \ 710 tools/relocate-rela $(2) $(3) $$start $$end 711else 712DO_STATIC_RELA = 713endif 714 715# Always append ALL so that arch config.mk's can add custom ones 716ALL-y += u-boot.srec u-boot.bin System.map 717 718ALL-$(CONFIG_NAND_U_BOOT) += u-boot-nand.bin 719ALL-$(CONFIG_ONENAND_U_BOOT) += u-boot-onenand.bin 720ALL-$(CONFIG_RAMBOOT_PBL) += u-boot.pbl 721ALL-$(CONFIG_SPL) += spl/u-boot-spl.bin 722ALL-$(CONFIG_SPL_FRAMEWORK) += u-boot.img 723ALL-$(CONFIG_TPL) += tpl/u-boot-tpl.bin 724ALL-$(CONFIG_OF_SEPARATE) += u-boot-dtb.bin 725ifneq ($(CONFIG_SPL_TARGET),) 726ALL-$(CONFIG_SPL) += $(CONFIG_SPL_TARGET:"%"=%) 727endif 728ALL-$(CONFIG_REMAKE_ELF) += u-boot.elf 729 730# enable combined SPL/u-boot/dtb rules for tegra 731ifneq ($(CONFIG_TEGRA),) 732ifeq ($(CONFIG_SPL),y) 733ifeq ($(CONFIG_OF_SEPARATE),y) 734ALL-y += u-boot-dtb-tegra.bin 735else 736ALL-y += u-boot-nodtb-tegra.bin 737endif 738endif 739endif 740 741LDFLAGS_u-boot += -T u-boot.lds $(LDFLAGS_FINAL) 742ifneq ($(CONFIG_SYS_TEXT_BASE),) 743LDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE) 744endif 745 746all: $(ALL-y) 747 748PHONY += dtbs 749dtbs dts/dt.dtb: checkdtc u-boot 750 $(Q)$(MAKE) $(build)=dts dtbs 751 752u-boot-dtb.bin: u-boot.bin dts/dt.dtb 753 cat $^ >$@ 754 755u-boot.hex: u-boot 756 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ 757 758u-boot.srec: u-boot 759 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ 760 761u-boot.bin: u-boot 762 $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@ 763 $(call DO_STATIC_RELA,$<,$@,$(CONFIG_SYS_TEXT_BASE)) 764 $(BOARD_SIZE_CHECK) 765 766u-boot.ldr: u-boot 767 $(CREATE_LDR_ENV) 768 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS) 769 $(BOARD_SIZE_CHECK) 770 771u-boot.ldr.hex: u-boot.ldr 772 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary 773 774u-boot.ldr.srec: u-boot.ldr 775 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary 776 777# 778# U-Boot entry point, needed for booting of full-blown U-Boot 779# from the SPL U-Boot version. 780# 781ifndef CONFIG_SYS_UBOOT_START 782CONFIG_SYS_UBOOT_START := 0 783endif 784 785u-boot.img: u-boot.bin 786 tools/mkimage -A $(ARCH) -T firmware -C none \ 787 -O u-boot -a $(CONFIG_SYS_TEXT_BASE) \ 788 -e $(CONFIG_SYS_UBOOT_START) \ 789 -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \ 790 sed -e 's/"[ ]*$$/ for $(BOARD) board"/') \ 791 -d $< $@ 792 793u-boot.imx: u-boot.bin 794 $(MAKE) $(build)=arch/arm/imx-common $(objtree)/u-boot.imx 795 796u-boot.kwb: u-boot.bin 797 tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \ 798 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@ 799 800u-boot.pbl: u-boot.bin 801 tools/mkimage -n $(CONFIG_SYS_FSL_PBL_RCW) \ 802 -R $(CONFIG_SYS_FSL_PBL_PBI) -T pblimage \ 803 -d $< $@ 804 805u-boot.sha1: u-boot.bin 806 tools/ubsha1 u-boot.bin 807 808u-boot.dis: u-boot 809 $(OBJDUMP) -d $< > $@ 810 811# $@ is output, $(1) and $(2) are inputs, $(3) is padded intermediate, 812# $(4) is pad-to 813SPL_PAD_APPEND = \ 814 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(4) -I binary -O binary \ 815 $(1) $(3); \ 816 cat $(3) $(2) > $@; \ 817 rm $(3) 818 819ifdef CONFIG_TPL 820SPL_PAYLOAD := tpl/u-boot-with-tpl.bin 821else 822SPL_PAYLOAD := u-boot.bin 823endif 824 825u-boot-with-spl.bin: spl/u-boot-spl.bin $(SPL_PAYLOAD) 826 $(call SPL_PAD_APPEND,$<,$(SPL_PAYLOAD),spl/u-boot-spl-pad.bin,$(CONFIG_SPL_PAD_TO)) 827 828tpl/u-boot-with-tpl.bin: tpl/u-boot-tpl.bin u-boot.bin 829 $(call SPL_PAD_APPEND,$<,u-boot.bin,tpl/u-boot-tpl-pad.bin,$(CONFIG_TPL_PAD_TO)) 830 831u-boot-with-spl.imx: spl/u-boot-spl.bin u-boot.bin 832 $(MAKE) $(build)=arch/arm/imx-common \ 833 $(OBJTREE)/u-boot-with-spl.imx 834 835u-boot-with-nand-spl.imx: spl/u-boot-spl.bin u-boot.bin 836 $(MAKE) $(build)=arch/arm/imx-common \ 837 $(OBJTREE)/u-boot-with-nand-spl.imx 838 839u-boot.ubl: u-boot-with-spl.bin 840 tools/mkimage -n $(UBL_CONFIG) -T ublimage \ 841 -e $(CONFIG_SYS_TEXT_BASE) -d $< u-boot.ubl 842 843u-boot.ais: spl/u-boot-spl.bin u-boot.img 844 tools/mkimage -s -n $(if $(CONFIG_AIS_CONFIG_FILE),$(srctree)/$(CONFIG_AIS_CONFIG_FILE:"%"=%),"/dev/null") \ 845 -T aisimage \ 846 -e $(CONFIG_SPL_TEXT_BASE) \ 847 -d spl/u-boot-spl.bin \ 848 spl/u-boot-spl.ais 849 $(OBJCOPY) ${OBJCFLAGS} -I binary \ 850 --pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \ 851 spl/u-boot-spl.ais spl/u-boot-spl-pad.ais 852 cat spl/u-boot-spl-pad.ais u-boot.img > u-boot.ais 853 854 855u-boot.sb: u-boot.bin spl/u-boot-spl.bin 856 $(MAKE) $(build)=$(CPUDIR)/$(SOC)/ $(OBJTREE)/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 864u-boot.spr: u-boot.img spl/u-boot-spl.bin 865 tools/mkimage -A $(ARCH) -T firmware -C none \ 866 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER \ 867 -d spl/u-boot-spl.bin $@ 868 $(OBJCOPY) -I binary -O binary \ 869 --pad-to=$(CONFIG_SPL_PAD_TO) --gap-fill=0xff $@ 870 cat u-boot.img >> $@ 871 872ifneq ($(CONFIG_TEGRA),) 873u-boot-nodtb-tegra.bin: spl/u-boot-spl.bin u-boot.bin 874 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary spl/u-boot-spl spl/u-boot-spl-pad.bin 875 cat spl/u-boot-spl-pad.bin u-boot.bin > $@ 876 rm spl/u-boot-spl-pad.bin 877 878ifeq ($(CONFIG_OF_SEPARATE),y) 879u-boot-dtb-tegra.bin: u-boot-nodtb-tegra.bin dts/dt.dtb 880 cat $^ > $@ 881endif 882endif 883 884u-boot-img.bin: spl/u-boot-spl.bin u-boot.img 885 cat spl/u-boot-spl.bin u-boot.img > $@ 886 887# PPC4xx needs the SPL at the end of the image, since the reset vector 888# is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target 889# and need to introduce a new build target with the full blown U-Boot 890# at the start padded up to the start of the SPL image. And then concat 891# the SPL image to the end. 892u-boot-img-spl-at-end.bin: spl/u-boot-spl.bin u-boot.img 893 $(OBJCOPY) -I binary -O binary --pad-to=$(CONFIG_UBOOT_PAD_TO) \ 894 --gap-fill=0xff u-boot.img $@ 895 cat spl/u-boot-spl.bin >> $@ 896 897# Create a new ELF from a raw binary file. This is useful for arm64 898# where static relocation needs to be performed on the raw binary, 899# but certain simulators only accept an ELF file (but don't do the 900# relocation). 901# FIXME refactor dts/Makefile to share target/arch detection 902u-boot.elf: u-boot.bin 903 @$(OBJCOPY) -B aarch64 -I binary -O elf64-littleaarch64 \ 904 $< u-boot-elf.o 905 @$(LD) u-boot-elf.o -o $@ \ 906 --defsym=_start=$(CONFIG_SYS_TEXT_BASE) \ 907 -Ttext=$(CONFIG_SYS_TEXT_BASE) 908 909ifeq ($(CONFIG_SANDBOX),y) 910GEN_UBOOT = \ 911 $(CC) $(SYMS) -T u-boot.lds \ 912 -Wl,--start-group $(u-boot-main) -Wl,--end-group \ 913 $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot 914else 915GEN_UBOOT = \ 916 $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \ 917 $(u-boot-init) \ 918 --start-group $(u-boot-main) --end-group $(PLATFORM_LIBS) \ 919 -Map u-boot.map -o u-boot 920endif 921 922u-boot: $(u-boot-init) $(u-boot-main) u-boot.lds 923 $(GEN_UBOOT) 924ifeq ($(CONFIG_KALLSYMS),y) 925 smap=`$(call SYSTEM_MAP,u-boot) | \ 926 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \ 927 $(CC) $(c_flags) -DSYSTEM_MAP="\"$${smap}\"" \ 928 -c $(srctree)/common/system_map.c -o common/system_map.o 929 $(GEN_UBOOT) common/system_map.o 930endif 931 932# The actual objects are generated when descending, 933# make sure no implicit rule kicks in 934$(sort $(u-boot-init) $(u-boot-main)): $(u-boot-dirs) ; 935 936# Handle descending into subdirectories listed in $(vmlinux-dirs) 937# Preset locale variables to speed up the build process. Limit locale 938# tweaks to this spot to avoid wrong language settings when running 939# make menuconfig etc. 940# Error messages still appears in the original language 941 942PHONY += $(u-boot-dirs) 943$(u-boot-dirs): depend prepare scripts 944 $(Q)$(MAKE) $(build)=$@ 945 946tools: $(TIMESTAMP_FILE) $(VERSION_FILE) 947# The "tools" are needed early 948$(filter-out tools, $(u-boot-dirs)): tools 949# The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC 950# is "yes"), so compile examples after U-Boot is compiled. 951examples: $(filter-out examples, $(u-boot-dirs)) 952 953# Things we need to do before we recursively start building the kernel 954# or the modules are listed in "prepare". 955# A multi level approach is used. prepareN is processed before prepareN-1. 956# archprepare is used in arch Makefiles and when processed asm symlink, 957# version.h and scripts_basic is processed / created. 958 959# Listed in dependency order 960PHONY += prepare archprepare prepare0 prepare1 prepare2 prepare3 961 962# prepare3 is used to check if we are building in a separate output directory, 963# and if so do: 964# 1) Check that make has not been executed in the kernel src $(srctree) 965prepare3: 966ifneq ($(KBUILD_SRC),) 967 @$(kecho) ' Using $(srctree) as source for u-boot' 968 $(Q)if [ -f $(srctree)/include/config.mk ]; then \ 969 echo >&2 " $(srctree) is not clean, please run 'make mrproper'"; \ 970 echo >&2 " in the '$(srctree)' directory.";\ 971 /bin/false; \ 972 fi; 973endif 974 975# prepare2 creates a makefile if using a separate output directory 976prepare2: prepare3 outputmakefile 977 978prepare1: prepare2 979 @: 980 981archprepare: prepare1 scripts_basic 982 983prepare0: archprepare FORCE 984 @: 985 986# All the preparing.. 987prepare: prepare0 988 989# 990# Auto-generate the autoconf.mk file (which is included by all makefiles) 991# 992# This target actually generates 2 files; autoconf.mk and autoconf.mk.dep. 993# the dep file is only include in this top level makefile to determine when 994# to regenerate the autoconf.mk file. 995 996quiet_cmd_autoconf_dep = GEN $@ 997 cmd_autoconf_dep = $(CC) -x c -DDO_DEPS_ONLY -M $(c_flags) \ 998 -MQ include/autoconf.mk $(srctree)/include/common.h > $@ || rm $@ 999 1000include/autoconf.mk.dep: include/config.h include/common.h 1001 $(call cmd,autoconf_dep) 1002 1003quiet_cmd_autoconf = GEN $@ 1004 cmd_autoconf = \ 1005 $(CPP) $(c_flags) -DDO_DEPS_ONLY -dM $(srctree)/include/common.h > $@.tmp && \ 1006 sed -n -f $(srctree)/tools/scripts/define2mk.sed $@.tmp > $@; \ 1007 rm $@.tmp 1008 1009include/autoconf.mk: include/config.h 1010 $(call cmd,autoconf) 1011 1012u-boot.lds: $(LDSCRIPT) depend 1013 $(CPP) $(cpp_flags) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$< >$@ 1014 1015nand_spl: $(TIMESTAMP_FILE) $(VERSION_FILE) depend prepare 1016 $(MAKE) $(build)=nand_spl/board/$(BOARDDIR) all 1017 1018u-boot-nand.bin: nand_spl u-boot.bin 1019 cat nand_spl/u-boot-spl-16k.bin u-boot.bin > u-boot-nand.bin 1020 1021spl/u-boot-spl.bin: tools depend prepare 1022 $(MAKE) obj=spl -f $(srctree)/spl/Makefile all 1023 1024tpl/u-boot-tpl.bin: tools depend prepare 1025 $(MAKE) obj=tpl -f $(srctree)/spl/Makefile all CONFIG_TPL_BUILD=y 1026 1027# Explicitly make _depend in subdirs containing multiple targets to prevent 1028# parallel sub-makes creating .depend files simultaneously. 1029depend dep: $(TIMESTAMP_FILE) $(VERSION_FILE) \ 1030 include/generated/generic-asm-offsets.h \ 1031 include/generated/asm-offsets.h 1032 1033TAG_SUBDIRS := $(u-boot-dirs) include 1034 1035FIND := find 1036FINDFLAGS := -L 1037 1038PHONY += checkstack 1039 1040checkstack: 1041 $(OBJDUMP) -d u-boot $$(find . -name u-boot-spl) | \ 1042 $(PERL) $(src)/scripts/checkstack.pl $(ARCH) 1043 1044tags ctags: 1045 ctags -w -o ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 1046 -name '*.[chS]' -print` 1047 1048etags: 1049 etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 1050 -name '*.[chS]' -print` 1051cscope: 1052 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \ 1053 cscope.files 1054 cscope -b -q -k 1055 1056SYSTEM_MAP = \ 1057 $(NM) $1 | \ 1058 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \ 1059 LC_ALL=C sort 1060System.map: u-boot 1061 @$(call SYSTEM_MAP,$<) > $@ 1062 1063checkthumb: 1064 @if test $(call cc-version) -lt 0404; then \ 1065 echo -n '*** Your GCC does not produce working '; \ 1066 echo 'binaries in THUMB mode.'; \ 1067 echo '*** Your board is configured for THUMB mode.'; \ 1068 false; \ 1069 fi 1070 1071# GCC 3.x is reported to have problems generating the type of relocation 1072# that U-Boot wants. 1073# See http://lists.denx.de/pipermail/u-boot/2012-September/135156.html 1074checkgcc4: 1075 @if test $(call cc-version) -lt 0400; then \ 1076 echo -n '*** Your GCC is too old, please upgrade to GCC 4.x or newer'; \ 1077 false; \ 1078 fi 1079 1080checkdtc: 1081 @if test $(call dtc-version) -lt 0104; then \ 1082 echo '*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \ 1083 false; \ 1084 fi 1085 1086quiet_cmd_offsets = GEN $@ 1087 cmd_offsets = $(srctree)/tools/scripts/make-asm-offsets $< $@ 1088 1089include/generated/generic-asm-offsets.h: lib/asm-offsets.s 1090 $(call cmd,offsets) 1091 1092quiet_cmd_asm-offsets.s = CC $@ 1093 cmd_asm-offsets.s = mkdir -p lib; \ 1094 $(CC) -DDO_DEPS_ONLY \ 1095 $(c_flags) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ 1096 -o $@ $< -c -S 1097 1098lib/asm-offsets.s: $(srctree)/lib/asm-offsets.c include/config.h 1099 $(call cmd,asm-offsets.s) 1100 1101include/generated/asm-offsets.h: $(CPUDIR)/$(SOC)/asm-offsets.s 1102 $(call cmd,offsets) 1103 1104quiet_cmd_soc_asm-offsets.s = CC $@ 1105 cmd_soc_asm-offsets.s = mkdir -p $(CPUDIR)/$(SOC); \ 1106 if [ -f $(srctree)/$(CPUDIR)/$(SOC)/asm-offsets.c ];then \ 1107 $(CC) -DDO_DEPS_ONLY \ 1108 $(c_flags) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ 1109 -o $@ $(srctree)/$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \ 1110 else \ 1111 touch $@; \ 1112 fi 1113 1114$(CPUDIR)/$(SOC)/asm-offsets.s: include/config.h 1115 $(call cmd,soc_asm-offsets.s) 1116 1117######################################################################### 1118 1119# ARM relocations should all be R_ARM_RELATIVE (32-bit) or 1120# R_AARCH64_RELATIVE (64-bit). 1121checkarmreloc: u-boot 1122 @RELOC="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \ 1123 grep R_A | sort -u`"; \ 1124 if test "$$RELOC" != "R_ARM_RELATIVE" -a \ 1125 "$$RELOC" != "R_AARCH64_RELATIVE"; then \ 1126 echo "$< contains unexpected relocations: $$RELOC"; \ 1127 false; \ 1128 fi 1129 1130$(VERSION_FILE): 1131 @mkdir -p $(dir $(VERSION_FILE)) 1132 @( localvers='$(shell $(TOPDIR)/scripts/setlocalversion $(TOPDIR))' ; \ 1133 printf '#define PLAIN_VERSION "%s%s"\n' \ 1134 "$(U_BOOT_VERSION)" "$${localvers}" ; \ 1135 printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \ 1136 "$(U_BOOT_VERSION)" "$${localvers}" ; \ 1137 ) > $@.tmp 1138 @( printf '#define CC_VERSION_STRING "%s"\n' \ 1139 '$(shell $(CC) --version | head -n 1)' )>> $@.tmp 1140 @( printf '#define LD_VERSION_STRING "%s"\n' \ 1141 '$(shell $(LD) -v | head -n 1)' )>> $@.tmp 1142 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@ 1143 1144$(TIMESTAMP_FILE): 1145 @mkdir -p $(dir $(TIMESTAMP_FILE)) 1146 @LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp 1147 @LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@.tmp 1148 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@ 1149 1150env: depend scripts_basic 1151 $(Q)$(MAKE) $(build)=tools/$@ 1152 1153tools-all: HOST_TOOLS_ALL=y 1154tools-all: env tools ; 1155 1156.PHONY : CHANGELOG 1157CHANGELOG: 1158 git log --no-merges U-Boot-1_1_5.. | \ 1159 unexpand -a | sed -e 's/\s\s*$$//' > $@ 1160 1161include/license.h: tools/bin2header COPYING 1162 cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h 1163######################################################################### 1164 1165### 1166# Cleaning is done on three levels. 1167# make clean Delete most generated files 1168# Leave enough to build external modules 1169# make mrproper Delete the current configuration, and all generated files 1170# make distclean Remove editor backup files, patch leftover files and the like 1171 1172# Directories & files removed with 'make clean' 1173CLEAN_DIRS += $(MODVERDIR) 1174CLEAN_FILES += u-boot.lds include/bmp_logo.h include/bmp_logo_data.h \ 1175 board/*/config.tmp board/*/*/config.tmp \ 1176 include/autoconf.mk* include/spl-autoconf.mk \ 1177 include/tpl-autoconf.mk 1178 1179# Directories & files removed with 'make clobber' 1180CLOBBER_DIRS += $(patsubst %,spl/%, $(filter-out Makefile, \ 1181 $(shell ls -1 spl 2>/dev/null))) \ 1182 tpl 1183CLOBBER_FILES += u-boot* MLO* SPL System.map nand_spl/u-boot* 1184 1185# Directories & files removed with 'make mrproper' 1186MRPROPER_DIRS += include/config include/generated 1187MRPROPER_FILES += .config .config.old \ 1188 tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS \ 1189 include/config.h include/config.mk 1190 1191# clean - Delete most, but leave enough to build external modules 1192# 1193clean: rm-dirs := $(CLEAN_DIRS) 1194clean: rm-files := $(CLEAN_FILES) 1195 1196clean-dirs := $(foreach f,$(u-boot-alldirs),$(if $(wildcard $f/Makefile),$f)) 1197 1198clean-dirs := $(addprefix _clean_, $(clean-dirs) doc/DocBook) 1199 1200PHONY += $(clean-dirs) clean archclean 1201$(clean-dirs): 1202 $(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@) 1203 1204# TODO: Do not use *.cfgtmp 1205clean: $(clean-dirs) 1206 $(call cmd,rmdirs) 1207 $(call cmd,rmfiles) 1208 @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \ 1209 \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \ 1210 -o -name '*.ko.*' -o -name '*.su' -o -name '*.cfgtmp' \ 1211 -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \ 1212 -o -name '*.symtypes' -o -name 'modules.order' \ 1213 -o -name modules.builtin -o -name '.tmp_*.o.*' \ 1214 -o -name '*.gcno' \) -type f -print | xargs rm -f 1215 @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \ 1216 -path './nand_spl/*' -type l -print | xargs rm -f 1217 1218# clobber 1219# 1220clobber: rm-dirs := $(CLOBBER_DIRS) 1221clobber: rm-files := $(CLOBBER_FILES) 1222 1223PHONY += clobber 1224 1225clobber: clean 1226 $(call cmd,rmdirs) 1227 $(call cmd,rmfiles) 1228 1229# mrproper - Delete all generated files, including .config 1230# 1231mrproper: rm-dirs := $(wildcard $(MRPROPER_DIRS)) 1232mrproper: rm-files := $(wildcard $(MRPROPER_FILES)) 1233mrproper-dirs := $(addprefix _mrproper_,scripts) 1234 1235PHONY += $(mrproper-dirs) mrproper archmrproper 1236$(mrproper-dirs): 1237 $(Q)$(MAKE) $(clean)=$(patsubst _mrproper_%,%,$@) 1238 1239mrproper: clobber $(mrproper-dirs) 1240 $(call cmd,rmdirs) 1241 $(call cmd,rmfiles) 1242 @rm -f arch/*/include/asm/arch arch/*/include/asm/proc 1243 1244# distclean 1245# 1246PHONY += distclean 1247 1248distclean: mrproper 1249 @find $(srctree) $(RCS_FIND_IGNORE) \ 1250 \( -name '*.orig' -o -name '*.rej' -o -name '*~' \ 1251 -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \ 1252 -o -name '.*.rej' \ 1253 -o -name '*%' -o -name '.*.cmd' -o -name 'core' \) \ 1254 -type f -print | xargs rm -f 1255 1256backup: 1257 F=`basename $(TOPDIR)` ; cd .. ; \ 1258 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F 1259 1260 1261# Documentation targets 1262# --------------------------------------------------------------------------- 1263%docs: scripts_basic FORCE 1264 $(Q)$(MAKE) $(build)=scripts build_docproc 1265 $(Q)$(MAKE) $(build)=doc/DocBook $@ 1266 1267# Dummies... 1268PHONY += prepare scripts 1269prepare: ; 1270scripts: ; 1271 1272endif #ifeq ($(config-targets),1) 1273endif #ifeq ($(mixed-targets),1) 1274 1275quiet_cmd_rmdirs = $(if $(wildcard $(rm-dirs)),CLEAN $(wildcard $(rm-dirs))) 1276 cmd_rmdirs = rm -rf $(rm-dirs) 1277 1278quiet_cmd_rmfiles = $(if $(wildcard $(rm-files)),CLEAN $(wildcard $(rm-files))) 1279 cmd_rmfiles = rm -f $(rm-files) 1280 1281# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.clean obj=dir 1282# Usage: 1283# $(Q)$(MAKE) $(clean)=dir 1284clean := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.clean obj 1285 1286endif # skip-makefile 1287 1288PHONY += FORCE 1289FORCE: 1290 1291# Declare the contents of the .PHONY variable as phony. We keep that 1292# information in a variable so we can use it in if_changed and friends. 1293.PHONY: $(PHONY) 1294