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 $(Q)rm -f .tmp_quiet_recordmcount 391 392# To avoid any implicit rule to kick in, define an empty command. 393scripts/basic/%: scripts_basic ; 394 395# To make sure we do not include .config for any of the *config targets 396# catch them early, and hand them over to scripts/kconfig/Makefile 397# It is allowed to specify more targets when calling make, including 398# mixing *config targets and build targets. 399# For example 'make oldconfig all'. 400# Detect when mixed targets is specified, and make a second invocation 401# of make so .config is not included in this case either (for *config). 402 403no-dot-config-targets := clean clobber mrproper distclean \ 404 cscope TAGS %tags help %docs check% coccicheck \ 405 backup 406 407config-targets := 0 408mixed-targets := 0 409dot-config := 1 410 411ifneq ($(filter $(no-dot-config-targets), $(MAKECMDGOALS)),) 412 ifeq ($(filter-out $(no-dot-config-targets), $(MAKECMDGOALS)),) 413 dot-config := 0 414 endif 415endif 416 417ifeq ($(KBUILD_EXTMOD),) 418 ifneq ($(filter config %config,$(MAKECMDGOALS)),) 419 config-targets := 1 420 ifneq ($(filter-out config %config,$(MAKECMDGOALS)),) 421 mixed-targets := 1 422 endif 423 endif 424endif 425 426ifeq ($(mixed-targets),1) 427# =========================================================================== 428# We're called with mixed targets (*config and build targets). 429# Handle them one by one. 430 431%:: FORCE 432 $(Q)$(MAKE) -C $(srctree) KBUILD_SRC= $@ 433 434else 435ifeq ($(config-targets),1) 436# =========================================================================== 437# *config targets only - make sure prerequisites are updated, and descend 438# in scripts/kconfig to make the *config target 439 440# Read arch specific Makefile to set KBUILD_DEFCONFIG as needed. 441# KBUILD_DEFCONFIG may point out an alternative default configuration 442# used for 'make defconfig' 443 444%_config:: 445 @$(MKCONFIG) -A $(@:_config=) 446 447else 448# =========================================================================== 449# Build targets only - this includes vmlinux, arch specific targets, clean 450# targets and others. In general all targets except *config targets. 451 452# load ARCH, BOARD, and CPU configuration 453-include include/config.mk 454 455ifeq ($(dot-config),1) 456# Read in config 457-include include/autoconf.mk 458-include include/autoconf.mk.dep 459 460# load other configuration 461include $(srctree)/config.mk 462 463ifeq ($(wildcard include/config.mk),) 464$(error "System not configured - see README") 465endif 466 467ifeq ($(__HAVE_ARCH_GENERIC_BOARD),) 468ifneq ($(CONFIG_SYS_GENERIC_BOARD),) 469$(error Your architecture does not support generic board. \ 470Please undefined CONFIG_SYS_GENERIC_BOARD in your board config file) 471endif 472endif 473 474# If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use 475# that (or fail if absent). Otherwise, search for a linker script in a 476# standard location. 477 478LDSCRIPT_MAKEFILE_DIR = $(dir $(LDSCRIPT)) 479 480ifndef LDSCRIPT 481 #LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug 482 ifdef CONFIG_SYS_LDSCRIPT 483 # need to strip off double quotes 484 LDSCRIPT := $(CONFIG_SYS_LDSCRIPT:"%"=%) 485 endif 486endif 487 488# If there is no specified link script, we look in a number of places for it 489ifndef LDSCRIPT 490 ifeq ($(CONFIG_NAND_U_BOOT),y) 491 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-nand.lds 492 ifeq ($(wildcard $(LDSCRIPT)),) 493 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-nand.lds 494 endif 495 endif 496 ifeq ($(wildcard $(LDSCRIPT)),) 497 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds 498 endif 499 ifeq ($(wildcard $(LDSCRIPT)),) 500 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot.lds 501 endif 502 ifeq ($(wildcard $(LDSCRIPT)),) 503 LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot.lds 504 # We don't expect a Makefile here 505 LDSCRIPT_MAKEFILE_DIR = 506 endif 507 ifeq ($(wildcard $(LDSCRIPT)),) 508$(error could not find linker script) 509 endif 510endif 511 512else 513 514 515endif # $(dot-config) 516 517KBUILD_CFLAGS += -Os #-fomit-frame-pointer 518 519ifdef BUILD_TAG 520KBUILD_CFLAGS += -DBUILD_TAG='"$(BUILD_TAG)"' 521endif 522 523KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector) 524 525KBUILD_CFLAGS += -g 526# $(KBUILD_AFLAGS) sets -g, which causes gcc to pass a suitable -g<format> 527# option to the assembler. 528KBUILD_AFLAGS += -g 529 530# Report stack usage if supported 531KBUILD_CFLAGS += $(call cc-option,-fstack-usage) 532 533KBUILD_CFLAGS += $(call cc-option,-Wno-format-nonliteral) 534 535# turn jbsr into jsr for m68k 536ifeq ($(ARCH),m68k) 537ifeq ($(findstring 3.4,$(shell $(CC) --version)),3.4) 538KBUILD_AFLAGS += -Wa,-gstabs,-S 539endif 540endif 541 542ifneq ($(CONFIG_SYS_TEXT_BASE),) 543KBUILD_CPPFLAGS += -DCONFIG_SYS_TEXT_BASE=$(CONFIG_SYS_TEXT_BASE) 544endif 545 546export CONFIG_SYS_TEXT_BASE 547 548# Use UBOOTINCLUDE when you must reference the include/ directory. 549# Needed to be compatible with the O= option 550UBOOTINCLUDE := 551ifneq ($(OBJTREE),$(SRCTREE)) 552UBOOTINCLUDE += -I$(OBJTREE)/include 553endif 554UBOOTINCLUDE += -I$(srctree)/include \ 555 -I$(srctree)/arch/$(ARCH)/include 556 557NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include) 558CHECKFLAGS += $(NOSTDINC_FLAGS) 559 560# FIX ME 561cpp_flags := $(KBUILD_CPPFLAGS) $(CPPFLAGS) $(UBOOTINCLUDE) $(NOSTDINC_FLAGS) 562c_flags := $(KBUILD_CFLAGS) $(cpp_flags) 563 564.PHONY : $(VERSION_FILE) $(TIMESTAMP_FILE) 565 566######################################################################### 567# U-Boot objects....order is important (i.e. start must be first) 568 569head-y := $(CPUDIR)/start.o 570head-$(CONFIG_4xx) += arch/powerpc/cpu/ppc4xx/resetvec.o 571head-$(CONFIG_MPC85xx) += arch/powerpc/cpu/mpc85xx/resetvec.o 572 573HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n) 574 575libs-y += lib/ 576libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/ 577libs-y += $(CPUDIR)/ 578ifdef SOC 579libs-y += $(CPUDIR)/$(SOC)/ 580endif 581libs-$(CONFIG_IXP4XX_NPE) += drivers/net/npe/ 582libs-$(CONFIG_OF_EMBED) += dts/ 583libs-y += arch/$(ARCH)/lib/ 584libs-y += fs/ 585libs-y += net/ 586libs-y += disk/ 587libs-y += drivers/ 588libs-y += drivers/dma/ 589libs-y += drivers/gpio/ 590libs-y += drivers/i2c/ 591libs-y += drivers/input/ 592libs-y += drivers/mmc/ 593libs-y += drivers/mtd/ 594libs-$(CONFIG_CMD_NAND) += drivers/mtd/nand/ 595libs-y += drivers/mtd/onenand/ 596libs-$(CONFIG_CMD_UBI) += drivers/mtd/ubi/ 597libs-y += drivers/mtd/spi/ 598libs-y += drivers/net/ 599libs-y += drivers/net/phy/ 600libs-y += drivers/pci/ 601libs-y += drivers/power/ \ 602 drivers/power/fuel_gauge/ \ 603 drivers/power/mfd/ \ 604 drivers/power/pmic/ \ 605 drivers/power/battery/ 606libs-y += drivers/spi/ 607libs-$(CONFIG_FMAN_ENET) += drivers/net/fm/ 608libs-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/ 609libs-y += drivers/serial/ 610libs-y += drivers/usb/eth/ 611libs-y += drivers/usb/gadget/ 612libs-y += drivers/usb/host/ 613libs-y += drivers/usb/musb/ 614libs-y += drivers/usb/musb-new/ 615libs-y += drivers/usb/phy/ 616libs-y += drivers/usb/ulpi/ 617libs-y += common/ 618libs-y += lib/libfdt/ 619libs-$(CONFIG_API) += api/ 620libs-$(CONFIG_HAS_POST) += post/ 621libs-y += test/ 622 623ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610)) 624libs-y += arch/$(ARCH)/imx-common/ 625endif 626 627libs-$(CONFIG_ARM) += arch/arm/cpu/ 628libs-$(CONFIG_PPC) += arch/powerpc/cpu/ 629 630libs-y += board/$(BOARDDIR)/ 631 632libs-y := $(sort $(libs-y)) 633 634u-boot-dirs := $(patsubst %/,%,$(filter %/, $(libs-y))) tools examples 635 636u-boot-alldirs := $(sort $(u-boot-dirs) $(patsubst %/,%,$(filter %/, $(libs-)))) 637 638libs-y := $(patsubst %/, %/built-in.o, $(libs-y)) 639 640u-boot-init := $(head-y) 641u-boot-main := $(libs-y) 642 643 644# Add GCC lib 645ifdef USE_PRIVATE_LIBGCC 646ifeq ("$(USE_PRIVATE_LIBGCC)", "yes") 647PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/lib.a 648else 649PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc 650endif 651else 652PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(c_flags) -print-libgcc-file-name`) -lgcc 653endif 654PLATFORM_LIBS += $(PLATFORM_LIBGCC) 655export PLATFORM_LIBS 656 657# Special flags for CPP when processing the linker script. 658# Pass the version down so we can handle backwards compatibility 659# on the fly. 660LDPPFLAGS += \ 661 -include $(TOPDIR)/include/u-boot/u-boot.lds.h \ 662 -DCPUDIR=$(CPUDIR) \ 663 $(shell $(LD) --version | \ 664 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 665 666######################################################################### 667######################################################################### 668 669ifneq ($(CONFIG_BOARD_SIZE_LIMIT),) 670BOARD_SIZE_CHECK = \ 671 @actual=`wc -c $@ | awk '{print $$1}'`; \ 672 limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \ 673 if test $$actual -gt $$limit; then \ 674 echo "$@ exceeds file size limit:" >&2 ; \ 675 echo " limit: $$limit bytes" >&2 ; \ 676 echo " actual: $$actual bytes" >&2 ; \ 677 echo " excess: $$((actual - limit)) bytes" >&2; \ 678 exit 1; \ 679 fi 680else 681BOARD_SIZE_CHECK = 682endif 683 684# Statically apply RELA-style relocations (currently arm64 only) 685ifneq ($(CONFIG_STATIC_RELA),) 686# $(1) is u-boot ELF, $(2) is u-boot bin, $(3) is text base 687DO_STATIC_RELA = \ 688 start=$$($(NM) $(1) | grep __rel_dyn_start | cut -f 1 -d ' '); \ 689 end=$$($(NM) $(1) | grep __rel_dyn_end | cut -f 1 -d ' '); \ 690 tools/relocate-rela $(2) $(3) $$start $$end 691else 692DO_STATIC_RELA = 693endif 694 695# Always append ALL so that arch config.mk's can add custom ones 696ALL-y += u-boot.srec u-boot.bin System.map 697 698ALL-$(CONFIG_NAND_U_BOOT) += u-boot-nand.bin 699ALL-$(CONFIG_ONENAND_U_BOOT) += u-boot-onenand.bin 700ALL-$(CONFIG_RAMBOOT_PBL) += u-boot.pbl 701ALL-$(CONFIG_SPL) += spl/u-boot-spl.bin 702ALL-$(CONFIG_SPL_FRAMEWORK) += u-boot.img 703ALL-$(CONFIG_TPL) += tpl/u-boot-tpl.bin 704ALL-$(CONFIG_OF_SEPARATE) += u-boot.dtb u-boot-dtb.bin 705ifneq ($(CONFIG_SPL_TARGET),) 706ALL-$(CONFIG_SPL) += $(CONFIG_SPL_TARGET:"%"=%) 707endif 708ALL-$(CONFIG_REMAKE_ELF) += u-boot.elf 709 710# enable combined SPL/u-boot/dtb rules for tegra 711ifneq ($(CONFIG_TEGRA),) 712ifeq ($(CONFIG_SPL),y) 713ifeq ($(CONFIG_OF_SEPARATE),y) 714ALL-y += u-boot-dtb-tegra.bin 715else 716ALL-y += u-boot-nodtb-tegra.bin 717endif 718endif 719endif 720 721LDFLAGS_u-boot += -T u-boot.lds $(LDFLAGS_FINAL) 722ifneq ($(CONFIG_SYS_TEXT_BASE),) 723LDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE) 724endif 725 726all: $(ALL-y) 727 728u-boot.dtb: checkdtc u-boot 729 $(MAKE) $(build)=dts binary 730 mv dts/dt.dtb $@ 731 732u-boot-dtb.bin: u-boot.bin u-boot.dtb 733 cat $^ >$@ 734 735u-boot.hex: u-boot 736 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ 737 738u-boot.srec: u-boot 739 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ 740 741u-boot.bin: u-boot 742 $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@ 743 $(call DO_STATIC_RELA,$<,$@,$(CONFIG_SYS_TEXT_BASE)) 744 $(BOARD_SIZE_CHECK) 745 746u-boot.ldr: u-boot 747 $(CREATE_LDR_ENV) 748 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS) 749 $(BOARD_SIZE_CHECK) 750 751u-boot.ldr.hex: u-boot.ldr 752 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary 753 754u-boot.ldr.srec: u-boot.ldr 755 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary 756 757# 758# U-Boot entry point, needed for booting of full-blown U-Boot 759# from the SPL U-Boot version. 760# 761ifndef CONFIG_SYS_UBOOT_START 762CONFIG_SYS_UBOOT_START := 0 763endif 764 765u-boot.img: u-boot.bin 766 tools/mkimage -A $(ARCH) -T firmware -C none \ 767 -O u-boot -a $(CONFIG_SYS_TEXT_BASE) \ 768 -e $(CONFIG_SYS_UBOOT_START) \ 769 -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \ 770 sed -e 's/"[ ]*$$/ for $(BOARD) board"/') \ 771 -d $< $@ 772 773u-boot.imx: u-boot.bin 774 $(MAKE) $(build)=arch/arm/imx-common $(objtree)/u-boot.imx 775 776u-boot.kwb: u-boot.bin 777 tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \ 778 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@ 779 780u-boot.pbl: u-boot.bin 781 tools/mkimage -n $(CONFIG_SYS_FSL_PBL_RCW) \ 782 -R $(CONFIG_SYS_FSL_PBL_PBI) -T pblimage \ 783 -d $< $@ 784 785u-boot.sha1: u-boot.bin 786 tools/ubsha1 u-boot.bin 787 788u-boot.dis: u-boot 789 $(OBJDUMP) -d $< > $@ 790 791# $@ is output, $(1) and $(2) are inputs, $(3) is padded intermediate, 792# $(4) is pad-to 793SPL_PAD_APPEND = \ 794 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(4) -I binary -O binary \ 795 $(1) $(3); \ 796 cat $(3) $(2) > $@; \ 797 rm $(3) 798 799ifdef CONFIG_TPL 800SPL_PAYLOAD := tpl/u-boot-with-tpl.bin 801else 802SPL_PAYLOAD := u-boot.bin 803endif 804 805u-boot-with-spl.bin: spl/u-boot-spl.bin $(SPL_PAYLOAD) 806 $(call SPL_PAD_APPEND,$<,$(SPL_PAYLOAD),spl/u-boot-spl-pad.bin,$(CONFIG_SPL_PAD_TO)) 807 808tpl/u-boot-with-tpl.bin: tpl/u-boot-tpl.bin u-boot.bin 809 $(call SPL_PAD_APPEND,$<,u-boot.bin,tpl/u-boot-tpl-pad.bin,$(CONFIG_TPL_PAD_TO)) 810 811u-boot-with-spl.imx: spl/u-boot-spl.bin u-boot.bin 812 $(MAKE) $(build)=arch/arm/imx-common \ 813 $(OBJTREE)/u-boot-with-spl.imx 814 815u-boot-with-nand-spl.imx: spl/u-boot-spl.bin u-boot.bin 816 $(MAKE) $(build)=arch/arm/imx-common \ 817 $(OBJTREE)/u-boot-with-nand-spl.imx 818 819u-boot.ubl: u-boot-with-spl.bin 820 tools/mkimage -n $(UBL_CONFIG) -T ublimage \ 821 -e $(CONFIG_SYS_TEXT_BASE) -d $< u-boot.ubl 822 823u-boot.ais: spl/u-boot-spl.bin u-boot.img 824 tools/mkimage -s -n $(if $(CONFIG_AIS_CONFIG_FILE),$(srctree)/$(CONFIG_AIS_CONFIG_FILE:"%"=%),"/dev/null") \ 825 -T aisimage \ 826 -e $(CONFIG_SPL_TEXT_BASE) \ 827 -d spl/u-boot-spl.bin \ 828 spl/u-boot-spl.ais 829 $(OBJCOPY) ${OBJCFLAGS} -I binary \ 830 --pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \ 831 spl/u-boot-spl.ais spl/u-boot-spl-pad.ais 832 cat spl/u-boot-spl-pad.ais u-boot.img > u-boot.ais 833 834 835u-boot.sb: u-boot.bin spl/u-boot-spl.bin 836 $(MAKE) $(build)=$(CPUDIR)/$(SOC)/ $(OBJTREE)/u-boot.sb 837 838# On x600 (SPEAr600) U-Boot is appended to U-Boot SPL. 839# Both images are created using mkimage (crc etc), so that the ROM 840# bootloader can check its integrity. Padding needs to be done to the 841# SPL image (with mkimage header) and not the binary. Otherwise the resulting image 842# which is loaded/copied by the ROM bootloader to SRAM doesn't fit. 843# The resulting image containing both U-Boot images is called u-boot.spr 844u-boot.spr: u-boot.img spl/u-boot-spl.bin 845 tools/mkimage -A $(ARCH) -T firmware -C none \ 846 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER \ 847 -d spl/u-boot-spl.bin $@ 848 $(OBJCOPY) -I binary -O binary \ 849 --pad-to=$(CONFIG_SPL_PAD_TO) --gap-fill=0xff $@ 850 cat u-boot.img >> $@ 851 852ifneq ($(CONFIG_TEGRA),) 853u-boot-nodtb-tegra.bin: spl/u-boot-spl.bin u-boot.bin 854 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary spl/u-boot-spl spl/u-boot-spl-pad.bin 855 cat spl/u-boot-spl-pad.bin u-boot.bin > $@ 856 rm spl/u-boot-spl-pad.bin 857 858ifeq ($(CONFIG_OF_SEPARATE),y) 859u-boot-dtb-tegra.bin: u-boot-nodtb-tegra.bin u-boot.dtb 860 cat u-boot-nodtb-tegra.bin u-boot.dtb > $@ 861endif 862endif 863 864u-boot-img.bin: spl/u-boot-spl.bin u-boot.img 865 cat spl/u-boot-spl.bin u-boot.img > $@ 866 867# PPC4xx needs the SPL at the end of the image, since the reset vector 868# is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target 869# and need to introduce a new build target with the full blown U-Boot 870# at the start padded up to the start of the SPL image. And then concat 871# the SPL image to the end. 872u-boot-img-spl-at-end.bin: spl/u-boot-spl.bin u-boot.img 873 $(OBJCOPY) -I binary -O binary --pad-to=$(CONFIG_UBOOT_PAD_TO) \ 874 --gap-fill=0xff u-boot.img $@ 875 cat spl/u-boot-spl.bin >> $@ 876 877# Create a new ELF from a raw binary file. This is useful for arm64 878# where static relocation needs to be performed on the raw binary, 879# but certain simulators only accept an ELF file (but don't do the 880# relocation). 881# FIXME refactor dts/Makefile to share target/arch detection 882u-boot.elf: u-boot.bin 883 @$(OBJCOPY) -B aarch64 -I binary -O elf64-littleaarch64 \ 884 $< u-boot-elf.o 885 @$(LD) u-boot-elf.o -o $@ \ 886 --defsym=_start=$(CONFIG_SYS_TEXT_BASE) \ 887 -Ttext=$(CONFIG_SYS_TEXT_BASE) 888 889ifeq ($(CONFIG_SANDBOX),y) 890GEN_UBOOT = \ 891 $(CC) $(SYMS) -T u-boot.lds \ 892 -Wl,--start-group $(u-boot-main) -Wl,--end-group \ 893 $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot 894else 895GEN_UBOOT = \ 896 $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \ 897 $(u-boot-init) \ 898 --start-group $(u-boot-main) --end-group $(PLATFORM_LIBS) \ 899 -Map u-boot.map -o u-boot 900endif 901 902u-boot: $(u-boot-init) $(u-boot-main) u-boot.lds 903 $(GEN_UBOOT) 904ifeq ($(CONFIG_KALLSYMS),y) 905 smap=`$(call SYSTEM_MAP,u-boot) | \ 906 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \ 907 $(CC) $(c_flags) -DSYSTEM_MAP="\"$${smap}\"" \ 908 -c $(srctree)/common/system_map.c -o common/system_map.o 909 $(GEN_UBOOT) common/system_map.o 910endif 911 912# The actual objects are generated when descending, 913# make sure no implicit rule kicks in 914$(sort $(u-boot-init) $(u-boot-main)): $(u-boot-dirs) ; 915 916# Handle descending into subdirectories listed in $(vmlinux-dirs) 917# Preset locale variables to speed up the build process. Limit locale 918# tweaks to this spot to avoid wrong language settings when running 919# make menuconfig etc. 920# Error messages still appears in the original language 921 922PHONY += $(u-boot-dirs) 923$(u-boot-dirs): depend scripts_basic 924 $(Q)$(MAKE) $(build)=$@ 925 926tools: $(TIMESTAMP_FILE) $(VERSION_FILE) 927# The "tools" are needed early 928$(filter-out tools, $(u-boot-dirs)): tools 929# The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC 930# is "yes"), so compile examples after U-Boot is compiled. 931examples: $(filter-out examples, $(u-boot-dirs)) 932 933 934# 935# Auto-generate the autoconf.mk file (which is included by all makefiles) 936# 937# This target actually generates 2 files; autoconf.mk and autoconf.mk.dep. 938# the dep file is only include in this top level makefile to determine when 939# to regenerate the autoconf.mk file. 940 941quiet_cmd_autoconf_dep = GEN $@ 942 cmd_autoconf_dep = $(CC) -x c -DDO_DEPS_ONLY -M $(c_flags) \ 943 -MQ include/autoconf.mk $(srctree)/include/common.h > $@ || rm $@ 944 945include/autoconf.mk.dep: include/config.h include/common.h 946 $(call cmd,autoconf_dep) 947 948quiet_cmd_autoconf = GEN $@ 949 cmd_autoconf = \ 950 $(CPP) $(c_flags) -DDO_DEPS_ONLY -dM $(srctree)/include/common.h > $@.tmp && \ 951 sed -n -f $(srctree)/tools/scripts/define2mk.sed $@.tmp > $@; \ 952 rm $@.tmp 953 954include/autoconf.mk: include/config.h 955 $(call cmd,autoconf) 956 957u-boot.lds: $(LDSCRIPT) depend 958 $(CPP) $(cpp_flags) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$< >$@ 959 960nand_spl: $(TIMESTAMP_FILE) $(VERSION_FILE) depend scripts_basic 961 $(MAKE) $(build)=nand_spl/board/$(BOARDDIR) all 962 963u-boot-nand.bin: nand_spl u-boot.bin 964 cat nand_spl/u-boot-spl-16k.bin u-boot.bin > u-boot-nand.bin 965 966spl/u-boot-spl.bin: tools depend scripts_basic 967 $(MAKE) obj=spl -f $(srctree)/spl/Makefile all 968 969tpl/u-boot-tpl.bin: tools depend scripts_basic 970 $(MAKE) obj=tpl -f $(srctree)/spl/Makefile all CONFIG_TPL_BUILD=y 971 972# Explicitly make _depend in subdirs containing multiple targets to prevent 973# parallel sub-makes creating .depend files simultaneously. 974depend dep: $(TIMESTAMP_FILE) $(VERSION_FILE) \ 975 include/generated/generic-asm-offsets.h \ 976 include/generated/asm-offsets.h 977 978TAG_SUBDIRS := $(u-boot-dirs) include 979 980FIND := find 981FINDFLAGS := -L 982 983PHONY += checkstack 984 985checkstack: 986 $(OBJDUMP) -d u-boot $$(find . -name u-boot-spl) | \ 987 $(PERL) $(src)/scripts/checkstack.pl $(ARCH) 988 989tags ctags: 990 ctags -w -o ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 991 -name '*.[chS]' -print` 992 993etags: 994 etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 995 -name '*.[chS]' -print` 996cscope: 997 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \ 998 cscope.files 999 cscope -b -q -k 1000 1001SYSTEM_MAP = \ 1002 $(NM) $1 | \ 1003 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \ 1004 LC_ALL=C sort 1005System.map: u-boot 1006 @$(call SYSTEM_MAP,$<) > $@ 1007 1008checkthumb: 1009 @if test $(call cc-version) -lt 0404; then \ 1010 echo -n '*** Your GCC does not produce working '; \ 1011 echo 'binaries in THUMB mode.'; \ 1012 echo '*** Your board is configured for THUMB mode.'; \ 1013 false; \ 1014 fi 1015 1016# GCC 3.x is reported to have problems generating the type of relocation 1017# that U-Boot wants. 1018# See http://lists.denx.de/pipermail/u-boot/2012-September/135156.html 1019checkgcc4: 1020 @if test $(call cc-version) -lt 0400; then \ 1021 echo -n '*** Your GCC is too old, please upgrade to GCC 4.x or newer'; \ 1022 false; \ 1023 fi 1024 1025checkdtc: 1026 @if test $(call dtc-version) -lt 0104; then \ 1027 echo '*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \ 1028 false; \ 1029 fi 1030 1031quiet_cmd_offsets = GEN $@ 1032 cmd_offsets = $(srctree)/tools/scripts/make-asm-offsets $< $@ 1033 1034include/generated/generic-asm-offsets.h: lib/asm-offsets.s 1035 $(call cmd,offsets) 1036 1037quiet_cmd_asm-offsets.s = CC $@ 1038 cmd_asm-offsets.s = mkdir -p lib; \ 1039 $(CC) -DDO_DEPS_ONLY \ 1040 $(c_flags) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ 1041 -o $@ $< -c -S 1042 1043lib/asm-offsets.s: $(srctree)/lib/asm-offsets.c include/config.h 1044 $(call cmd,asm-offsets.s) 1045 1046include/generated/asm-offsets.h: $(CPUDIR)/$(SOC)/asm-offsets.s 1047 $(call cmd,offsets) 1048 1049quiet_cmd_soc_asm-offsets.s = CC $@ 1050 cmd_soc_asm-offsets.s = mkdir -p $(CPUDIR)/$(SOC); \ 1051 if [ -f $(srctree)/$(CPUDIR)/$(SOC)/asm-offsets.c ];then \ 1052 $(CC) -DDO_DEPS_ONLY \ 1053 $(c_flags) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ 1054 -o $@ $(srctree)/$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \ 1055 else \ 1056 touch $@; \ 1057 fi 1058 1059$(CPUDIR)/$(SOC)/asm-offsets.s: include/config.h 1060 $(call cmd,soc_asm-offsets.s) 1061 1062######################################################################### 1063 1064# ARM relocations should all be R_ARM_RELATIVE (32-bit) or 1065# R_AARCH64_RELATIVE (64-bit). 1066checkarmreloc: u-boot 1067 @RELOC="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \ 1068 grep R_A | sort -u`"; \ 1069 if test "$$RELOC" != "R_ARM_RELATIVE" -a \ 1070 "$$RELOC" != "R_AARCH64_RELATIVE"; then \ 1071 echo "$< contains unexpected relocations: $$RELOC"; \ 1072 false; \ 1073 fi 1074 1075$(VERSION_FILE): 1076 @mkdir -p $(dir $(VERSION_FILE)) 1077 @( localvers='$(shell $(TOPDIR)/scripts/setlocalversion $(TOPDIR))' ; \ 1078 printf '#define PLAIN_VERSION "%s%s"\n' \ 1079 "$(U_BOOT_VERSION)" "$${localvers}" ; \ 1080 printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \ 1081 "$(U_BOOT_VERSION)" "$${localvers}" ; \ 1082 ) > $@.tmp 1083 @( printf '#define CC_VERSION_STRING "%s"\n' \ 1084 '$(shell $(CC) --version | head -n 1)' )>> $@.tmp 1085 @( printf '#define LD_VERSION_STRING "%s"\n' \ 1086 '$(shell $(LD) -v | head -n 1)' )>> $@.tmp 1087 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@ 1088 1089$(TIMESTAMP_FILE): 1090 @mkdir -p $(dir $(TIMESTAMP_FILE)) 1091 @LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp 1092 @LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@.tmp 1093 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@ 1094 1095env: depend scripts_basic 1096 $(Q)$(MAKE) $(build)=tools/$@ 1097 1098xmldocs pdfdocs psdocs htmldocs mandocs: tools/kernel-doc/docproc 1099 $(Q)$(MAKE) U_BOOT_VERSION=$(U_BOOT_VERSION) $(build)=doc/DocBook $@ 1100 1101tools-all: HOST_TOOLS_ALL=y 1102tools-all: env tools ; 1103 1104.PHONY : CHANGELOG 1105CHANGELOG: 1106 git log --no-merges U-Boot-1_1_5.. | \ 1107 unexpand -a | sed -e 's/\s\s*$$//' > $@ 1108 1109include/license.h: tools/bin2header COPYING 1110 cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h 1111######################################################################### 1112 1113### 1114# Cleaning is done on three levels. 1115# make clean Delete most generated files 1116# Leave enough to build external modules 1117# make mrproper Delete the current configuration, and all generated files 1118# make distclean Remove editor backup files, patch leftover files and the like 1119 1120# Directories & files removed with 'make clean' 1121CLEAN_DIRS += $(MODVERDIR) 1122CLEAN_FILES += u-boot.lds include/bmp_logo.h include/bmp_logo_data.h \ 1123 board/*/config.tmp board/*/*/config.tmp dts/*.tmp \ 1124 include/autoconf.mk* include/spl-autoconf.mk \ 1125 include/tpl-autoconf.mk 1126 1127# Directories & files removed with 'make clobber' 1128CLOBBER_DIRS += $(patsubst %,spl/%, $(filter-out Makefile, \ 1129 $(shell ls -1 spl 2>/dev/null))) \ 1130 tpl 1131CLOBBER_FILES += u-boot* MLO MLO* SPL System.map nand_spl/u-boot* 1132 1133# Directories & files removed with 'make mrproper' 1134MRPROPER_DIRS += include/config include/generated 1135MRPROPER_FILES += .config .config.old \ 1136 tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS \ 1137 include/config.h include/config.mk 1138 1139# clean - Delete most, but leave enough to build external modules 1140# 1141clean: rm-dirs := $(CLEAN_DIRS) 1142clean: rm-files := $(CLEAN_FILES) 1143 1144clean-dirs := $(foreach f,$(u-boot-alldirs),$(if $(wildcard $f/Makefile),$f)) 1145 1146clean-dirs := $(addprefix _clean_, $(clean-dirs) doc/DocBook) 1147 1148PHONY += $(clean-dirs) clean archclean 1149$(clean-dirs): 1150 $(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@) 1151 1152# TODO: Do not use *.cfgtmp 1153clean: $(clean-dirs) 1154 $(call cmd,rmdirs) 1155 $(call cmd,rmfiles) 1156 @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \ 1157 \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \ 1158 -o -name '*.ko.*' -o -name '*.su' -o -name '*.cfgtmp' \ 1159 -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \ 1160 -o -name '*.symtypes' -o -name 'modules.order' \ 1161 -o -name modules.builtin -o -name '.tmp_*.o.*' \ 1162 -o -name '*.gcno' \) -type f -print | xargs rm -f 1163 @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \ 1164 -path './nand_spl/*' -type l -print | xargs rm -f 1165 1166# clobber 1167# 1168clobber: rm-dirs := $(CLOBBER_DIRS) 1169clobber: rm-files := $(CLOBBER_FILES) 1170 1171PHONY += clobber 1172 1173clobber: clean 1174 $(call cmd,rmdirs) 1175 $(call cmd,rmfiles) 1176 1177# mrproper - Delete all generated files, including .config 1178# 1179mrproper: rm-dirs := $(wildcard $(MRPROPER_DIRS)) 1180mrproper: rm-files := $(wildcard $(MRPROPER_FILES)) 1181mrproper-dirs := $(addprefix _mrproper_,scripts) 1182 1183PHONY += $(mrproper-dirs) mrproper archmrproper 1184$(mrproper-dirs): 1185 $(Q)$(MAKE) $(clean)=$(patsubst _mrproper_%,%,$@) 1186 1187mrproper: clobber $(mrproper-dirs) 1188 $(call cmd,rmdirs) 1189 $(call cmd,rmfiles) 1190 @rm -f arch/*/include/asm/arch arch/*/include/asm/proc 1191 1192# distclean 1193# 1194PHONY += distclean 1195 1196distclean: mrproper 1197 @find $(srctree) $(RCS_FIND_IGNORE) \ 1198 \( -name '*.orig' -o -name '*.rej' -o -name '*~' \ 1199 -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \ 1200 -o -name '.*.rej' \ 1201 -o -name '*%' -o -name '.*.cmd' -o -name 'core' \) \ 1202 -type f -print | xargs rm -f 1203 1204backup: 1205 F=`basename $(TOPDIR)` ; cd .. ; \ 1206 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F 1207 1208######################################################################### 1209 1210endif #ifeq ($(config-targets),1) 1211endif #ifeq ($(mixed-targets),1) 1212 1213quiet_cmd_rmdirs = $(if $(wildcard $(rm-dirs)),CLEAN $(wildcard $(rm-dirs))) 1214 cmd_rmdirs = rm -rf $(rm-dirs) 1215 1216quiet_cmd_rmfiles = $(if $(wildcard $(rm-files)),CLEAN $(wildcard $(rm-files))) 1217 cmd_rmfiles = rm -f $(rm-files) 1218 1219# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.clean obj=dir 1220# Usage: 1221# $(Q)$(MAKE) $(clean)=dir 1222clean := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.clean obj 1223 1224endif # skip-makefile 1225 1226PHONY += FORCE 1227FORCE: 1228 1229# Declare the contents of the .PHONY variable as phony. We keep that 1230# information in a variable so we can use it in if_changed and friends. 1231.PHONY: $(PHONY) 1232