1# 2# (C) Copyright 2000-2013 3# Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4# 5# SPDX-License-Identifier: GPL-2.0+ 6# 7 8VERSION = 2014 9PATCHLEVEL = 04 10SUBLEVEL = 11EXTRAVERSION = -rc2 12NAME = 13 14# *DOCUMENTATION* 15# To see a list of typical targets execute "make help" 16# More info can be located in ./README 17# Comments in this file are targeted only to the developer, do not 18# expect to learn how to build the kernel reading this file. 19 20# Do not: 21# o use make's built-in rules and variables 22# (this increases performance and avoids hard-to-debug behaviour); 23# o print "Entering directory ..."; 24MAKEFLAGS += -rR --no-print-directory 25 26# Avoid funny character set dependencies 27unexport LC_ALL 28LC_COLLATE=C 29LC_NUMERIC=C 30export LC_COLLATE LC_NUMERIC 31 32# We are using a recursive build, so we need to do a little thinking 33# to get the ordering right. 34# 35# Most importantly: sub-Makefiles should only ever modify files in 36# their own directory. If in some directory we have a dependency on 37# a file in another dir (which doesn't happen often, but it's often 38# unavoidable when linking the built-in.o targets which finally 39# turn into vmlinux), we will call a sub make in that other dir, and 40# after that we are sure that everything which is in that other dir 41# is now up to date. 42# 43# The only cases where we need to modify files which have global 44# effects are thus separated out and done before the recursive 45# descending is started. They are now explicitly listed as the 46# prepare rule. 47 48# To put more focus on warnings, be less verbose as default 49# Use 'make V=1' to see the full commands 50 51ifeq ("$(origin V)", "command line") 52 KBUILD_VERBOSE = $(V) 53endif 54ifndef KBUILD_VERBOSE 55 KBUILD_VERBOSE = 0 56endif 57 58# Call a source code checker (by default, "sparse") as part of the 59# C compilation. 60# 61# Use 'make C=1' to enable checking of only re-compiled files. 62# Use 'make C=2' to enable checking of *all* source files, regardless 63# of whether they are re-compiled or not. 64# 65# See the file "Documentation/sparse.txt" for more details, including 66# where to get the "sparse" utility. 67 68ifeq ("$(origin C)", "command line") 69 KBUILD_CHECKSRC = $(C) 70endif 71ifndef KBUILD_CHECKSRC 72 KBUILD_CHECKSRC = 0 73endif 74 75# Use make M=dir to specify directory of external module to build 76# Old syntax make ... SUBDIRS=$PWD is still supported 77# Setting the environment variable KBUILD_EXTMOD take precedence 78ifdef SUBDIRS 79 KBUILD_EXTMOD ?= $(SUBDIRS) 80endif 81 82ifeq ("$(origin M)", "command line") 83 KBUILD_EXTMOD := $(M) 84endif 85 86# kbuild supports saving output files in a separate directory. 87# To locate output files in a separate directory two syntaxes are supported. 88# In both cases the working directory must be the root of the kernel src. 89# 1) O= 90# Use "make O=dir/to/store/output/files/" 91# 92# 2) Set KBUILD_OUTPUT 93# Set the environment variable KBUILD_OUTPUT to point to the directory 94# where the output files shall be placed. 95# export KBUILD_OUTPUT=dir/to/store/output/files/ 96# make 97# 98# The O= assignment takes precedence over the KBUILD_OUTPUT environment 99# variable. 100 101 102# KBUILD_SRC is set on invocation of make in OBJ directory 103# KBUILD_SRC is not intended to be used by the regular user (for now) 104ifeq ($(KBUILD_SRC),) 105 106# OK, Make called in directory where kernel src resides 107# Do we want to locate output files in a separate directory? 108ifeq ("$(origin O)", "command line") 109 KBUILD_OUTPUT := $(O) 110endif 111 112ifeq ("$(origin W)", "command line") 113 export KBUILD_ENABLE_EXTRA_GCC_CHECKS := $(W) 114endif 115 116# That's our default target when none is given on the command line 117PHONY := _all 118_all: 119 120# Cancel implicit rules on top Makefile 121$(CURDIR)/Makefile Makefile: ; 122 123ifneq ($(KBUILD_OUTPUT),) 124# Invoke a second make in the output directory, passing relevant variables 125# check that the output directory actually exists 126saved-output := $(KBUILD_OUTPUT) 127KBUILD_OUTPUT := $(shell cd $(KBUILD_OUTPUT) && /bin/pwd) 128$(if $(KBUILD_OUTPUT),, \ 129 $(error output directory "$(saved-output)" does not exist)) 130 131PHONY += $(MAKECMDGOALS) sub-make 132 133$(filter-out _all sub-make $(CURDIR)/Makefile, $(MAKECMDGOALS)) _all: sub-make 134 @: 135 136sub-make: FORCE 137 $(if $(KBUILD_VERBOSE:1=),@)$(MAKE) -C $(KBUILD_OUTPUT) \ 138 KBUILD_SRC=$(CURDIR) \ 139 KBUILD_EXTMOD="$(KBUILD_EXTMOD)" -f $(CURDIR)/Makefile \ 140 $(filter-out _all sub-make,$(MAKECMDGOALS)) 141 142# Leave processing to above invocation of make 143skip-makefile := 1 144endif # ifneq ($(KBUILD_OUTPUT),) 145endif # ifeq ($(KBUILD_SRC),) 146 147# We process the rest of the Makefile if this is the final invocation of make 148ifeq ($(skip-makefile),) 149 150# If building an external module we do not care about the all: rule 151# but instead _all depend on modules 152PHONY += all 153ifeq ($(KBUILD_EXTMOD),) 154_all: all 155else 156_all: modules 157endif 158 159srctree := $(if $(KBUILD_SRC),$(KBUILD_SRC),$(CURDIR)) 160objtree := $(CURDIR) 161src := $(srctree) 162obj := $(objtree) 163 164VPATH := $(srctree)$(if $(KBUILD_EXTMOD),:$(KBUILD_EXTMOD)) 165 166export srctree objtree VPATH 167 168MKCONFIG := $(srctree)/mkconfig 169export MKCONFIG 170 171# Make sure CDPATH settings don't interfere 172unexport CDPATH 173 174######################################################################### 175 176HOSTARCH := $(shell uname -m | \ 177 sed -e s/i.86/x86/ \ 178 -e s/sun4u/sparc64/ \ 179 -e s/arm.*/arm/ \ 180 -e s/sa110/arm/ \ 181 -e s/ppc64/powerpc/ \ 182 -e s/ppc/powerpc/ \ 183 -e s/macppc/powerpc/\ 184 -e s/sh.*/sh/) 185 186HOSTOS := $(shell uname -s | tr '[:upper:]' '[:lower:]' | \ 187 sed -e 's/\(cygwin\).*/cygwin/') 188 189export HOSTARCH HOSTOS 190 191# Deal with colliding definitions from tcsh etc. 192VENDOR= 193 194######################################################################### 195 196# set default to nothing for native builds 197ifeq ($(HOSTARCH),$(ARCH)) 198CROSS_COMPILE ?= 199endif 200 201# SHELL used by kbuild 202CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \ 203 else if [ -x /bin/bash ]; then echo /bin/bash; \ 204 else echo sh; fi ; fi) 205 206HOSTCC = gcc 207HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer 208 209ifeq ($(HOSTOS),cygwin) 210HOSTCFLAGS += -ansi 211endif 212 213# Mac OS X / Darwin's C preprocessor is Apple specific. It 214# generates numerous errors and warnings. We want to bypass it 215# and use GNU C's cpp. To do this we pass the -traditional-cpp 216# option to the compiler. Note that the -traditional-cpp flag 217# DOES NOT have the same semantics as GNU C's flag, all it does 218# is invoke the GNU preprocessor in stock ANSI/ISO C fashion. 219# 220# Apple's linker is similar, thanks to the new 2 stage linking 221# multiple symbol definitions are treated as errors, hence the 222# -multiply_defined suppress option to turn off this error. 223# 224ifeq ($(HOSTOS),darwin) 225# get major and minor product version (e.g. '10' and '6' for Snow Leopard) 226DARWIN_MAJOR_VERSION = $(shell sw_vers -productVersion | cut -f 1 -d '.') 227DARWIN_MINOR_VERSION = $(shell sw_vers -productVersion | cut -f 2 -d '.') 228 229os_x_before = $(shell if [ $(DARWIN_MAJOR_VERSION) -le $(1) -a \ 230 $(DARWIN_MINOR_VERSION) -le $(2) ] ; then echo "$(3)"; else echo "$(4)"; fi ;) 231 232# Snow Leopards build environment has no longer restrictions as described above 233HOSTCC = $(call os_x_before, 10, 5, "cc", "gcc") 234HOSTCFLAGS += $(call os_x_before, 10, 4, "-traditional-cpp") 235HOSTLDFLAGS += $(call os_x_before, 10, 5, "-multiply_defined suppress") 236endif 237 238# Decide whether to build built-in, modular, or both. 239# Normally, just do built-in. 240 241KBUILD_MODULES := 242KBUILD_BUILTIN := 1 243 244# If we have only "make modules", don't compile built-in objects. 245# When we're building modules with modversions, we need to consider 246# the built-in objects during the descend as well, in order to 247# make sure the checksums are up to date before we record them. 248 249ifeq ($(MAKECMDGOALS),modules) 250 KBUILD_BUILTIN := $(if $(CONFIG_MODVERSIONS),1) 251endif 252 253# If we have "make <whatever> modules", compile modules 254# in addition to whatever we do anyway. 255# Just "make" or "make all" shall build modules as well 256 257# U-Boot does not need modules 258#ifneq ($(filter all _all modules,$(MAKECMDGOALS)),) 259# KBUILD_MODULES := 1 260#endif 261 262#ifeq ($(MAKECMDGOALS),) 263# KBUILD_MODULES := 1 264#endif 265 266export KBUILD_MODULES KBUILD_BUILTIN 267export KBUILD_CHECKSRC KBUILD_SRC KBUILD_EXTMOD 268 269# Beautify output 270# --------------------------------------------------------------------------- 271# 272# Normally, we echo the whole command before executing it. By making 273# that echo $($(quiet)$(cmd)), we now have the possibility to set 274# $(quiet) to choose other forms of output instead, e.g. 275# 276# quiet_cmd_cc_o_c = Compiling $(RELDIR)/$@ 277# cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $< 278# 279# If $(quiet) is empty, the whole command will be printed. 280# If it is set to "quiet_", only the short version will be printed. 281# If it is set to "silent_", nothing will be printed at all, since 282# the variable $(silent_cmd_cc_o_c) doesn't exist. 283# 284# A simple variant is to prefix commands with $(Q) - that's useful 285# for commands that shall be hidden in non-verbose mode. 286# 287# $(Q)ln $@ :< 288# 289# If KBUILD_VERBOSE equals 0 then the above command will be hidden. 290# If KBUILD_VERBOSE equals 1 then the above command is displayed. 291 292ifeq ($(KBUILD_VERBOSE),1) 293 quiet = 294 Q = 295else 296 quiet=quiet_ 297 Q = @ 298endif 299 300# If the user is running make -s (silent mode), suppress echoing of 301# commands 302 303ifneq ($(filter s% -s%,$(MAKEFLAGS)),) 304 quiet=silent_ 305endif 306 307export quiet Q KBUILD_VERBOSE 308 309 310# Look for make include files relative to root of kernel src 311MAKEFLAGS += --include-dir=$(srctree) 312 313# We need some generic definitions (do not try to remake the file). 314$(srctree)/scripts/Kbuild.include: ; 315include $(srctree)/scripts/Kbuild.include 316 317# Make variables (CC, etc...) 318 319AS = $(CROSS_COMPILE)as 320# Always use GNU ld 321ifneq ($(shell $(CROSS_COMPILE)ld.bfd -v 2> /dev/null),) 322LD = $(CROSS_COMPILE)ld.bfd 323else 324LD = $(CROSS_COMPILE)ld 325endif 326CC = $(CROSS_COMPILE)gcc 327CPP = $(CC) -E 328AR = $(CROSS_COMPILE)ar 329NM = $(CROSS_COMPILE)nm 330LDR = $(CROSS_COMPILE)ldr 331STRIP = $(CROSS_COMPILE)strip 332OBJCOPY = $(CROSS_COMPILE)objcopy 333OBJDUMP = $(CROSS_COMPILE)objdump 334AWK = awk 335RANLIB = $(CROSS_COMPILE)RANLIB 336DTC = dtc 337CHECK = sparse 338 339CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \ 340 -Wbitwise -Wno-return-void -D__CHECK_ENDIAN__ $(CF) 341 342KBUILD_CPPFLAGS := -D__KERNEL__ 343 344KBUILD_CFLAGS := -Wall -Wstrict-prototypes \ 345 -Wno-format-security \ 346 -fno-builtin -ffreestanding 347KBUILD_AFLAGS := -D__ASSEMBLY__ 348 349# Read UBOOTRELEASE from include/config/uboot.release (if it exists) 350UBOOTRELEASE = $(shell cat include/config/uboot.release 2> /dev/null) 351UBOOTVERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SUBLEVEL)))$(EXTRAVERSION) 352 353export VERSION PATCHLEVEL SUBLEVEL UBOOTRELEASE UBOOTVERSION 354export ARCH CPU BOARD VENDOR SOC CPUDIR BOARDDIR 355export CONFIG_SHELL HOSTCC HOSTCFLAGS HOSTLDFLAGS CROSS_COMPILE AS LD CC 356export CPP AR NM LDR STRIP OBJCOPY OBJDUMP 357export MAKE AWK 358export DTC CHECK CHECKFLAGS 359 360export KBUILD_CPPFLAGS NOSTDINC_FLAGS UBOOTINCLUDE OBJCOPYFLAGS LDFLAGS 361export KBUILD_CFLAGS KBUILD_AFLAGS 362 363# When compiling out-of-tree modules, put MODVERDIR in the module 364# tree rather than in the kernel tree. The kernel tree might 365# even be read-only. 366export MODVERDIR := $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/).tmp_versions 367 368# Files to ignore in find ... statements 369 370RCS_FIND_IGNORE := \( -name SCCS -o -name BitKeeper -o -name .svn -o -name CVS \ 371 -o -name .pc -o -name .hg -o -name .git \) -prune -o 372export RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn \ 373 --exclude CVS --exclude .pc --exclude .hg --exclude .git 374 375# =========================================================================== 376# Rules shared between *config targets and build targets 377 378# Basic helpers built in scripts/ 379PHONY += scripts_basic 380scripts_basic: 381 $(Q)$(MAKE) $(build)=scripts/basic 382 $(Q)rm -f .tmp_quiet_recordmcount 383 384# To avoid any implicit rule to kick in, define an empty command. 385scripts/basic/%: scripts_basic ; 386 387PHONY += outputmakefile 388# outputmakefile generates a Makefile in the output directory, if using a 389# separate output directory. This allows convenient use of make in the 390# output directory. 391outputmakefile: 392ifneq ($(KBUILD_SRC),) 393 $(Q)ln -fsn $(srctree) source 394 $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile \ 395 $(srctree) $(objtree) $(VERSION) $(PATCHLEVEL) 396endif 397 398# To make sure we do not include .config for any of the *config targets 399# catch them early, and hand them over to scripts/kconfig/Makefile 400# It is allowed to specify more targets when calling make, including 401# mixing *config targets and build targets. 402# For example 'make oldconfig all'. 403# Detect when mixed targets is specified, and make a second invocation 404# of make so .config is not included in this case either (for *config). 405 406version_h := include/generated/version_autogenerated.h 407timestamp_h := include/generated/timestamp_autogenerated.h 408 409no-dot-config-targets := clean clobber mrproper distclean \ 410 help %docs check% coccicheck \ 411 ubootversion backup 412 413config-targets := 0 414mixed-targets := 0 415dot-config := 1 416 417ifneq ($(filter $(no-dot-config-targets), $(MAKECMDGOALS)),) 418 ifeq ($(filter-out $(no-dot-config-targets), $(MAKECMDGOALS)),) 419 dot-config := 0 420 endif 421endif 422 423ifeq ($(KBUILD_EXTMOD),) 424 ifneq ($(filter config %config,$(MAKECMDGOALS)),) 425 config-targets := 1 426 ifneq ($(filter-out config %config,$(MAKECMDGOALS)),) 427 mixed-targets := 1 428 endif 429 endif 430endif 431 432ifeq ($(mixed-targets),1) 433# =========================================================================== 434# We're called with mixed targets (*config and build targets). 435# Handle them one by one. 436 437PHONY += $(MAKECMDGOALS) build-one-by-one 438 439$(MAKECMDGOALS): build-one-by-one 440 @: 441 442build-one-by-one: 443 $(Q)set -e; \ 444 for i in $(MAKECMDGOALS); do \ 445 $(MAKE) -f $(srctree)/Makefile $$i; \ 446 done 447 448else 449ifeq ($(config-targets),1) 450# =========================================================================== 451# *config targets only - make sure prerequisites are updated, and descend 452# in scripts/kconfig to make the *config target 453 454# Read arch specific Makefile to set KBUILD_DEFCONFIG as needed. 455# KBUILD_DEFCONFIG may point out an alternative default configuration 456# used for 'make defconfig' 457 458%_config:: outputmakefile 459 @$(MKCONFIG) -A $(@:_config=) 460 461else 462# =========================================================================== 463# Build targets only - this includes vmlinux, arch specific targets, clean 464# targets and others. In general all targets except *config targets. 465 466# load ARCH, BOARD, and CPU configuration 467-include include/config.mk 468 469ifeq ($(dot-config),1) 470# Read in config 471-include include/autoconf.mk 472-include include/autoconf.mk.dep 473 474# load other configuration 475include $(srctree)/config.mk 476 477ifeq ($(wildcard include/config.mk),) 478$(error "System not configured - see README") 479endif 480 481# If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use 482# that (or fail if absent). Otherwise, search for a linker script in a 483# standard location. 484 485ifndef LDSCRIPT 486 #LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds.debug 487 ifdef CONFIG_SYS_LDSCRIPT 488 # need to strip off double quotes 489 LDSCRIPT := $(srctree)/$(CONFIG_SYS_LDSCRIPT:"%"=%) 490 endif 491endif 492 493# If there is no specified link script, we look in a number of places for it 494ifndef LDSCRIPT 495 ifeq ($(CONFIG_NAND_U_BOOT),y) 496 LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-nand.lds 497 ifeq ($(wildcard $(LDSCRIPT)),) 498 LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-nand.lds 499 endif 500 endif 501 ifeq ($(wildcard $(LDSCRIPT)),) 502 LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds 503 endif 504 ifeq ($(wildcard $(LDSCRIPT)),) 505 LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot.lds 506 endif 507 ifeq ($(wildcard $(LDSCRIPT)),) 508 LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot.lds 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# $(KBUILD_AFLAGS) sets -g, which causes gcc to pass a suitable -g<format> 527# option to the assembler. 528KBUILD_AFLAGS += -g 529 530# Report stack usage if supported 531ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-stack-usage.sh $(CC)),y) 532 KBUILD_CFLAGS += -fstack-usage 533endif 534 535KBUILD_CFLAGS += $(call cc-option,-Wno-format-nonliteral) 536 537# turn jbsr into jsr for m68k 538ifeq ($(ARCH),m68k) 539ifeq ($(findstring 3.4,$(shell $(CC) --version)),3.4) 540KBUILD_AFLAGS += -Wa,-gstabs,-S 541endif 542endif 543 544ifneq ($(CONFIG_SYS_TEXT_BASE),) 545KBUILD_CPPFLAGS += -DCONFIG_SYS_TEXT_BASE=$(CONFIG_SYS_TEXT_BASE) 546endif 547 548export CONFIG_SYS_TEXT_BASE 549 550# Use UBOOTINCLUDE when you must reference the include/ directory. 551# Needed to be compatible with the O= option 552UBOOTINCLUDE := \ 553 -Iinclude \ 554 $(if $(KBUILD_SRC), -I$(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) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \ 562 $(NOSTDINC_FLAGS) 563c_flags := $(KBUILD_CFLAGS) $(cpp_flags) 564 565######################################################################### 566# U-Boot objects....order is important (i.e. start must be first) 567 568head-y := $(CPUDIR)/start.o 569head-$(CONFIG_4xx) += arch/powerpc/cpu/ppc4xx/resetvec.o 570head-$(CONFIG_MPC85xx) += arch/powerpc/cpu/mpc85xx/resetvec.o 571 572HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n) 573 574libs-y += lib/ 575libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/ 576libs-y += $(CPUDIR)/ 577ifdef SOC 578libs-y += $(CPUDIR)/$(SOC)/ 579endif 580libs-$(CONFIG_OF_EMBED) += dts/ 581libs-y += arch/$(ARCH)/lib/ 582libs-y += fs/ 583libs-y += net/ 584libs-y += disk/ 585libs-y += drivers/ 586libs-$(CONFIG_DM) += drivers/core/ 587libs-y += drivers/dma/ 588libs-y += drivers/gpio/ 589libs-y += drivers/i2c/ 590libs-y += drivers/input/ 591libs-y += drivers/mmc/ 592libs-y += drivers/mtd/ 593libs-$(CONFIG_CMD_NAND) += drivers/mtd/nand/ 594libs-y += drivers/mtd/onenand/ 595libs-$(CONFIG_CMD_UBI) += drivers/mtd/ubi/ 596libs-y += drivers/mtd/spi/ 597libs-y += drivers/net/ 598libs-y += drivers/net/phy/ 599libs-y += drivers/pci/ 600libs-y += drivers/power/ \ 601 drivers/power/fuel_gauge/ \ 602 drivers/power/mfd/ \ 603 drivers/power/pmic/ \ 604 drivers/power/battery/ 605libs-y += drivers/spi/ 606libs-$(CONFIG_FMAN_ENET) += drivers/net/fm/ 607libs-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/ 608libs-y += drivers/serial/ 609libs-y += drivers/usb/eth/ 610libs-y += drivers/usb/gadget/ 611libs-y += drivers/usb/host/ 612libs-y += drivers/usb/musb/ 613libs-y += drivers/usb/musb-new/ 614libs-y += drivers/usb/phy/ 615libs-y += drivers/usb/ulpi/ 616libs-y += common/ 617libs-y += lib/libfdt/ 618libs-$(CONFIG_API) += api/ 619libs-$(CONFIG_HAS_POST) += post/ 620libs-y += test/ 621libs-y += test/dm/ 622libs-$(CONFIG_DM_DEMO) += drivers/demo/ 623 624ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610)) 625libs-y += arch/$(ARCH)/imx-common/ 626endif 627 628libs-$(CONFIG_ARM) += arch/arm/cpu/ 629libs-$(CONFIG_PPC) += arch/powerpc/cpu/ 630 631libs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/) 632 633libs-y := $(sort $(libs-y)) 634 635u-boot-dirs := $(patsubst %/,%,$(filter %/, $(libs-y))) tools examples 636 637u-boot-alldirs := $(sort $(u-boot-dirs) $(patsubst %/,%,$(filter %/, $(libs-)))) 638 639libs-y := $(patsubst %/, %/built-in.o, $(libs-y)) 640 641u-boot-init := $(head-y) 642u-boot-main := $(libs-y) 643 644 645# Add GCC lib 646ifdef CONFIG_USE_PRIVATE_LIBGCC 647ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y) 648PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a 649else 650PLATFORM_LIBGCC = -L $(CONFIG_USE_PRIVATE_LIBGCC) -lgcc 651endif 652else 653PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(c_flags) -print-libgcc-file-name`) -lgcc 654endif 655PLATFORM_LIBS += $(PLATFORM_LIBGCC) 656export PLATFORM_LIBS 657 658# Special flags for CPP when processing the linker script. 659# Pass the version down so we can handle backwards compatibility 660# on the fly. 661LDPPFLAGS += \ 662 -include $(srctree)/include/u-boot/u-boot.lds.h \ 663 -DCPUDIR=$(CPUDIR) \ 664 $(shell $(LD) --version | \ 665 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 666 667######################################################################### 668######################################################################### 669 670ifneq ($(CONFIG_BOARD_SIZE_LIMIT),) 671BOARD_SIZE_CHECK = \ 672 @actual=`wc -c $@ | awk '{print $$1}'`; \ 673 limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \ 674 if test $$actual -gt $$limit; then \ 675 echo "$@ exceeds file size limit:" >&2 ; \ 676 echo " limit: $$limit bytes" >&2 ; \ 677 echo " actual: $$actual bytes" >&2 ; \ 678 echo " excess: $$((actual - limit)) bytes" >&2; \ 679 exit 1; \ 680 fi 681else 682BOARD_SIZE_CHECK = 683endif 684 685# Statically apply RELA-style relocations (currently arm64 only) 686ifneq ($(CONFIG_STATIC_RELA),) 687# $(1) is u-boot ELF, $(2) is u-boot bin, $(3) is text base 688DO_STATIC_RELA = \ 689 start=$$($(NM) $(1) | grep __rel_dyn_start | cut -f 1 -d ' '); \ 690 end=$$($(NM) $(1) | grep __rel_dyn_end | cut -f 1 -d ' '); \ 691 tools/relocate-rela $(2) $(3) $$start $$end 692else 693DO_STATIC_RELA = 694endif 695 696# Always append ALL so that arch config.mk's can add custom ones 697ALL-y += u-boot.srec u-boot.bin System.map 698 699ALL-$(CONFIG_NAND_U_BOOT) += u-boot-nand.bin 700ALL-$(CONFIG_ONENAND_U_BOOT) += u-boot-onenand.bin 701ALL-$(CONFIG_RAMBOOT_PBL) += u-boot.pbl 702ALL-$(CONFIG_SPL) += spl/u-boot-spl.bin 703ALL-$(CONFIG_SPL_FRAMEWORK) += u-boot.img 704ALL-$(CONFIG_TPL) += tpl/u-boot-tpl.bin 705ALL-$(CONFIG_OF_SEPARATE) += u-boot.dtb u-boot-dtb.bin 706ALL-$(CONFIG_OF_HOSTFILE) += u-boot.dtb 707ifneq ($(CONFIG_SPL_TARGET),) 708ALL-$(CONFIG_SPL) += $(CONFIG_SPL_TARGET:"%"=%) 709endif 710ALL-$(CONFIG_REMAKE_ELF) += u-boot.elf 711 712# enable combined SPL/u-boot/dtb rules for tegra 713ifneq ($(CONFIG_TEGRA),) 714ifeq ($(CONFIG_SPL),y) 715ifeq ($(CONFIG_OF_SEPARATE),y) 716ALL-y += u-boot-dtb-tegra.bin 717else 718ALL-y += u-boot-nodtb-tegra.bin 719endif 720endif 721endif 722 723LDFLAGS_u-boot += $(LDFLAGS_FINAL) 724ifneq ($(CONFIG_SYS_TEXT_BASE),) 725LDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE) 726endif 727 728quiet_cmd_objcopy = OBJCOPY $@ 729cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@ 730 731quiet_cmd_mkimage = UIMAGE $@ 732cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \ 733 $(if $(KBUILD_VERBOSE:1=), >/dev/null) 734 735quiet_cmd_cat = CAT $@ 736cmd_cat = cat $(filter-out $(PHONY), $^) > $@ 737 738append = cat $(filter-out $< $(PHONY), $^) >> $@ 739 740quiet_cmd_pad_cat = CAT $@ 741cmd_pad_cat = $(cmd_objcopy) && $(append) || rm -f $@ 742 743all: $(ALL-y) 744 745PHONY += dtbs 746dtbs dts/dt.dtb: checkdtc u-boot 747 $(Q)$(MAKE) $(build)=dts dtbs 748 749u-boot-dtb.bin: u-boot.bin dts/dt.dtb FORCE 750 $(call if_changed,cat) 751 752quiet_cmd_copy = COPY $@ 753 cmd_copy = cp $< $@ 754 755u-boot.dtb: dts/dt.dtb 756 $(call cmd,copy) 757 758OBJCOPYFLAGS_u-boot.hex := -O ihex 759 760OBJCOPYFLAGS_u-boot.srec := -O srec 761 762u-boot.hex u-boot.srec: u-boot FORCE 763 $(call if_changed,objcopy) 764 765OBJCOPYFLAGS_u-boot.bin := -O binary 766 767u-boot.bin: u-boot FORCE 768 $(call if_changed,objcopy) 769 $(call DO_STATIC_RELA,$<,$@,$(CONFIG_SYS_TEXT_BASE)) 770 $(BOARD_SIZE_CHECK) 771 772u-boot.ldr: u-boot 773 $(CREATE_LDR_ENV) 774 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS) 775 $(BOARD_SIZE_CHECK) 776 777OBJCOPYFLAGS_u-boot.ldr.hex := -I binary -O ihex 778 779OBJCOPYFLAGS_u-boot.ldr.srec := -I binary -O srec 780 781u-boot.ldr.hex u-boot.ldr.srec: u-boot.ldr FORCE 782 $(call if_changed,objcopy) 783 784# 785# U-Boot entry point, needed for booting of full-blown U-Boot 786# from the SPL U-Boot version. 787# 788ifndef CONFIG_SYS_UBOOT_START 789CONFIG_SYS_UBOOT_START := 0 790endif 791 792MKIMAGEFLAGS_u-boot.img = -A $(ARCH) -T firmware -C none -O u-boot \ 793 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \ 794 -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board" 795 796MKIMAGEFLAGS_u-boot.kwb = -n $(srctree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%) \ 797 -T kwbimage -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) 798 799MKIMAGEFLAGS_u-boot.pbl = -n $(srctree)/$(CONFIG_SYS_FSL_PBL_RCW:"%"=%) \ 800 -R $(srctree)/$(CONFIG_SYS_FSL_PBL_PBI:"%"=%) -T pblimage 801 802u-boot.img u-boot.kwb u-boot.pbl: u-boot.bin FORCE 803 $(call if_changed,mkimage) 804 805u-boot.imx: u-boot.bin 806 $(Q)$(MAKE) $(build)=arch/arm/imx-common $@ 807 808u-boot.sha1: u-boot.bin 809 tools/ubsha1 u-boot.bin 810 811u-boot.dis: u-boot 812 $(OBJDUMP) -d $< > $@ 813 814ifdef CONFIG_TPL 815SPL_PAYLOAD := tpl/u-boot-with-tpl.bin 816else 817SPL_PAYLOAD := u-boot.bin 818endif 819 820OBJCOPYFLAGS_u-boot-with-spl.bin = -I binary -O binary \ 821 --pad-to=$(CONFIG_SPL_PAD_TO) 822u-boot-with-spl.bin: spl/u-boot-spl.bin $(SPL_PAYLOAD) FORCE 823 $(call if_changed,pad_cat) 824 825OBJCOPYFLAGS_u-boot-with-tpl.bin = -I binary -O binary \ 826 --pad-to=$(CONFIG_TPL_PAD_TO) 827tpl/u-boot-with-tpl.bin: tpl/u-boot-tpl.bin u-boot.bin FORCE 828 $(call if_changed,pad_cat) 829 830SPL: spl/u-boot-spl.bin FORCE 831 $(Q)$(MAKE) $(build)=arch/arm/imx-common $@ 832 833u-boot-with-spl.imx u-boot-with-nand-spl.imx: SPL u-boot.bin FORCE 834 $(Q)$(MAKE) $(build)=arch/arm/imx-common $@ 835 836MKIMAGEFLAGS_u-boot.ubl = -n $(UBL_CONFIG) -T ublimage -e $(CONFIG_SYS_TEXT_BASE) 837 838u-boot.ubl: u-boot-with-spl.bin FORCE 839 $(call if_changed,mkimage) 840 841MKIMAGEFLAGS_u-boot-spl.ais = -s -n $(if $(CONFIG_AIS_CONFIG_FILE), \ 842 $(srctree)/$(CONFIG_AIS_CONFIG_FILE:"%"=%),"/dev/null") \ 843 -T aisimage -e $(CONFIG_SPL_TEXT_BASE) 844spl/u-boot-spl.ais: spl/u-boot-spl.bin FORCE 845 $(call if_changed,mkimage) 846 847OBJCOPYFLAGS_u-boot.ais = -I binary -O binary --pad-to=$(CONFIG_SPL_MAX_SIZE) 848u-boot.ais: spl/u-boot-spl.ais u-boot.img FORCE 849 $(call if_changed,pad_cat) 850 851u-boot.sb: u-boot.bin spl/u-boot-spl.bin 852 $(Q)$(MAKE) $(build)=arch/arm/cpu/arm926ejs/mxs u-boot.sb 853 854# On x600 (SPEAr600) U-Boot is appended to U-Boot SPL. 855# Both images are created using mkimage (crc etc), so that the ROM 856# bootloader can check its integrity. Padding needs to be done to the 857# SPL image (with mkimage header) and not the binary. Otherwise the resulting image 858# which is loaded/copied by the ROM bootloader to SRAM doesn't fit. 859# The resulting image containing both U-Boot images is called u-boot.spr 860MKIMAGEFLAGS_u-boot-spl.img = -A $(ARCH) -T firmware -C none \ 861 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER 862spl/u-boot-spl.img: spl/u-boot-spl.bin FORCE 863 $(call if_changed,mkimage) 864 865OBJCOPYFLAGS_u-boot.spr = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) \ 866 --gap-fill=0xff 867u-boot.spr: spl/u-boot-spl.img u-boot.img FORCE 868 $(call if_changed,pad_cat) 869 870ifneq ($(CONFIG_TEGRA),) 871OBJCOPYFLAGS_u-boot-nodtb-tegra.bin = -O binary --pad-to=$(CONFIG_SYS_TEXT_BASE) 872u-boot-nodtb-tegra.bin: spl/u-boot-spl u-boot.bin FORCE 873 $(call if_changed,pad_cat) 874 875ifeq ($(CONFIG_OF_SEPARATE),y) 876u-boot-dtb-tegra.bin: u-boot-nodtb-tegra.bin dts/dt.dtb FORCE 877 $(call if_changed,cat) 878endif 879endif 880 881u-boot-img.bin: spl/u-boot-spl.bin u-boot.img FORCE 882 $(call if_changed,cat) 883 884# PPC4xx needs the SPL at the end of the image, since the reset vector 885# is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target 886# and need to introduce a new build target with the full blown U-Boot 887# at the start padded up to the start of the SPL image. And then concat 888# the SPL image to the end. 889 890OBJCOPYFLAGS_u-boot-img-spl-at-end.bin := -I binary -O binary \ 891 --pad-to=$(CONFIG_UBOOT_PAD_TO) --gap-fill=0xff 892u-boot-img-spl-at-end.bin: u-boot.img spl/u-boot-spl.bin FORCE 893 $(call if_changed,pad_cat) 894 895# Create a new ELF from a raw binary file. This is useful for arm64 896# where static relocation needs to be performed on the raw binary, 897# but certain simulators only accept an ELF file (but don't do the 898# relocation). 899# FIXME refactor dts/Makefile to share target/arch detection 900u-boot.elf: u-boot.bin 901 @$(OBJCOPY) -B aarch64 -I binary -O elf64-littleaarch64 \ 902 $< u-boot-elf.o 903 @$(LD) u-boot-elf.o -o $@ \ 904 --defsym=_start=$(CONFIG_SYS_TEXT_BASE) \ 905 -Ttext=$(CONFIG_SYS_TEXT_BASE) 906 907# Rule to link u-boot 908# May be overridden by arch/$(ARCH)/config.mk 909quiet_cmd_u-boot__ ?= LD $@ 910 cmd_u-boot__ ?= $(LD) $(LDFLAGS) $(LDFLAGS_u-boot) -o $@ \ 911 -T u-boot.lds $(u-boot-init) \ 912 --start-group $(u-boot-main) --end-group \ 913 $(PLATFORM_LIBS) -Map u-boot.map 914 915u-boot: $(u-boot-init) $(u-boot-main) u-boot.lds 916 $(call if_changed,u-boot__) 917ifeq ($(CONFIG_KALLSYMS),y) 918 smap=`$(call SYSTEM_MAP,u-boot) | \ 919 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \ 920 $(CC) $(c_flags) -DSYSTEM_MAP="\"$${smap}\"" \ 921 -c $(srctree)/common/system_map.c -o common/system_map.o 922 $(call cmd,u-boot__) common/system_map.o 923endif 924 925# The actual objects are generated when descending, 926# make sure no implicit rule kicks in 927$(sort $(u-boot-init) $(u-boot-main)): $(u-boot-dirs) ; 928 929# Handle descending into subdirectories listed in $(vmlinux-dirs) 930# Preset locale variables to speed up the build process. Limit locale 931# tweaks to this spot to avoid wrong language settings when running 932# make menuconfig etc. 933# Error messages still appears in the original language 934 935PHONY += $(u-boot-dirs) 936$(u-boot-dirs): prepare scripts 937 $(Q)$(MAKE) $(build)=$@ 938 939tools: prepare 940# The "tools" are needed early 941$(filter-out tools, $(u-boot-dirs)): tools 942# The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC 943# is "yes"), so compile examples after U-Boot is compiled. 944examples: $(filter-out examples, $(u-boot-dirs)) 945 946define filechk_uboot.release 947 echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" 948endef 949 950# Store (new) UBOOTRELEASE string in include/config/uboot.release 951include/config/uboot.release: Makefile FORCE 952 $(call filechk,uboot.release) 953 954 955# Things we need to do before we recursively start building the kernel 956# or the modules are listed in "prepare". 957# A multi level approach is used. prepareN is processed before prepareN-1. 958# archprepare is used in arch Makefiles and when processed asm symlink, 959# version.h and scripts_basic is processed / created. 960 961# Listed in dependency order 962PHONY += prepare archprepare prepare0 prepare1 prepare2 prepare3 963 964# prepare3 is used to check if we are building in a separate output directory, 965# and if so do: 966# 1) Check that make has not been executed in the kernel src $(srctree) 967prepare3: include/config/uboot.release 968ifneq ($(KBUILD_SRC),) 969 @$(kecho) ' Using $(srctree) as source for u-boot' 970 $(Q)if [ -f $(srctree)/include/config.mk ]; then \ 971 echo >&2 " $(srctree) is not clean, please run 'make mrproper'"; \ 972 echo >&2 " in the '$(srctree)' directory.";\ 973 /bin/false; \ 974 fi; 975endif 976 977# prepare2 creates a makefile if using a separate output directory 978prepare2: prepare3 outputmakefile 979 980prepare1: prepare2 $(version_h) $(timestamp_h) 981ifeq ($(__HAVE_ARCH_GENERIC_BOARD),) 982ifeq ($(CONFIG_SYS_GENERIC_BOARD),y) 983 @echo >&2 " Your architecture does not support generic board." 984 @echo >&2 " Please undefine CONFIG_SYS_GENERIC_BOARD in your board config file." 985 @/bin/false 986endif 987endif 988ifeq ($(wildcard $(LDSCRIPT)),) 989 @echo >&2 " Could not find linker script." 990 @/bin/false 991endif 992 993archprepare: prepare1 scripts_basic 994 995prepare0: archprepare FORCE 996 $(Q)$(MAKE) $(build)=. 997 998# All the preparing.. 999prepare: prepare0 1000 1001# Generate some files 1002# --------------------------------------------------------------------------- 1003 1004define filechk_version.h 1005 (echo \#define PLAIN_VERSION \"$(UBOOTRELEASE)\"; \ 1006 echo \#define U_BOOT_VERSION \"U-Boot \" PLAIN_VERSION; \ 1007 echo \#define CC_VERSION_STRING \"$$($(CC) --version | head -n 1)\"; \ 1008 echo \#define LD_VERSION_STRING \"$$($(LD) --version | head -n 1)\"; ) 1009endef 1010 1011define filechk_timestamp.h 1012 (LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"'; \ 1013 LC_ALL=C date +'#define U_BOOT_TIME "%T"') 1014endef 1015 1016$(version_h): include/config/uboot.release FORCE 1017 $(call filechk,version.h) 1018 1019$(timestamp_h): $(srctree)/Makefile FORCE 1020 $(call filechk,timestamp.h) 1021 1022# 1023# Auto-generate the autoconf.mk file (which is included by all makefiles) 1024# 1025# This target actually generates 2 files; autoconf.mk and autoconf.mk.dep. 1026# the dep file is only include in this top level makefile to determine when 1027# to regenerate the autoconf.mk file. 1028 1029quiet_cmd_autoconf_dep = GEN $@ 1030 cmd_autoconf_dep = $(CC) -x c -DDO_DEPS_ONLY -M $(c_flags) \ 1031 -MQ include/autoconf.mk $(srctree)/include/common.h > $@ || rm $@ 1032 1033include/autoconf.mk.dep: include/config.h include/common.h 1034 $(call cmd,autoconf_dep) 1035 1036quiet_cmd_autoconf = GEN $@ 1037 cmd_autoconf = \ 1038 $(CPP) $(c_flags) -DDO_DEPS_ONLY -dM $(srctree)/include/common.h > $@.tmp && \ 1039 sed -n -f $(srctree)/tools/scripts/define2mk.sed $@.tmp > $@; \ 1040 rm $@.tmp 1041 1042include/autoconf.mk: include/config.h 1043 $(call cmd,autoconf) 1044 1045# --------------------------------------------------------------------------- 1046 1047PHONY += depend dep 1048depend dep: 1049 @echo '*** Warning: make $@ is unnecessary now.' 1050 1051# --------------------------------------------------------------------------- 1052quiet_cmd_cpp_lds = LDS $@ 1053cmd_cpp_lds = $(CPP) $(cpp_flags) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ \ 1054 -x assembler-with-cpp -P -o $@ $< 1055 1056u-boot.lds: $(LDSCRIPT) prepare FORCE 1057 $(call if_changed,cpp_lds) 1058 1059PHONY += nand_spl 1060nand_spl: prepare 1061 $(Q)$(MAKE) $(build)=nand_spl/board/$(BOARDDIR) all 1062 @echo >&2 1063 @echo >&2 "==================== WARNING =====================" 1064 @echo >&2 "nand_spl will not be included in v2014.07 release." 1065 @echo >&2 "Please switch over to SPL." 1066 @echo >&2 "Otherwise, this board will be removed." 1067 @echo >&2 "==================================================" 1068 @echo >&2 1069 1070nand_spl/u-boot-spl-16k.bin: nand_spl 1071 @: 1072 1073u-boot-nand.bin: nand_spl/u-boot-spl-16k.bin u-boot.bin FORCE 1074 $(call if_changed,cat) 1075 1076spl/u-boot-spl.bin: spl/u-boot-spl 1077 @: 1078spl/u-boot-spl: tools prepare 1079 $(Q)$(MAKE) obj=spl -f $(srctree)/spl/Makefile all 1080 1081tpl/u-boot-tpl.bin: tools prepare 1082 $(Q)$(MAKE) obj=tpl -f $(srctree)/spl/Makefile all CONFIG_TPL_BUILD=y 1083 1084TAG_SUBDIRS := $(u-boot-dirs) include 1085 1086FIND := find 1087FINDFLAGS := -L 1088 1089tags ctags: 1090 ctags -w -o ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 1091 -name '*.[chS]' -print` 1092 1093etags: 1094 etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 1095 -name '*.[chS]' -print` 1096cscope: 1097 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \ 1098 cscope.files 1099 cscope -b -q -k 1100 1101SYSTEM_MAP = \ 1102 $(NM) $1 | \ 1103 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \ 1104 LC_ALL=C sort 1105System.map: u-boot 1106 @$(call SYSTEM_MAP,$<) > $@ 1107 1108checkdtc: 1109 @if test $(call dtc-version) -lt 0104; then \ 1110 echo '*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \ 1111 false; \ 1112 fi 1113 1114######################################################################### 1115 1116# ARM relocations should all be R_ARM_RELATIVE (32-bit) or 1117# R_AARCH64_RELATIVE (64-bit). 1118checkarmreloc: u-boot 1119 @RELOC="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \ 1120 grep R_A | sort -u`"; \ 1121 if test "$$RELOC" != "R_ARM_RELATIVE" -a \ 1122 "$$RELOC" != "R_AARCH64_RELATIVE"; then \ 1123 echo "$< contains unexpected relocations: $$RELOC"; \ 1124 false; \ 1125 fi 1126 1127env: scripts_basic 1128 $(Q)$(MAKE) $(build)=tools/$@ 1129 1130tools-all: export HOST_TOOLS_ALL=y 1131tools-all: env tools ; 1132 1133cross_tools: export CROSS_BUILD_TOOLS=y 1134cross_tools: tools ; 1135 1136.PHONY : CHANGELOG 1137CHANGELOG: 1138 git log --no-merges U-Boot-1_1_5.. | \ 1139 unexpand -a | sed -e 's/\s\s*$$//' > $@ 1140 1141include/license.h: tools/bin2header COPYING 1142 cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h 1143######################################################################### 1144 1145### 1146# Cleaning is done on three levels. 1147# make clean Delete most generated files 1148# Leave enough to build external modules 1149# make mrproper Delete the current configuration, and all generated files 1150# make distclean Remove editor backup files, patch leftover files and the like 1151 1152# Directories & files removed with 'make clean' 1153CLEAN_DIRS += $(MODVERDIR) 1154CLEAN_FILES += u-boot.lds include/bmp_logo.h include/bmp_logo_data.h \ 1155 include/autoconf.mk* include/spl-autoconf.mk \ 1156 include/tpl-autoconf.mk 1157 1158# Directories & files removed with 'make clobber' 1159CLOBBER_DIRS += $(patsubst %,spl/%, $(filter-out Makefile, \ 1160 $(shell ls -1 spl 2>/dev/null))) \ 1161 tpl 1162CLOBBER_FILES += u-boot* MLO* SPL System.map nand_spl/u-boot* 1163 1164# Directories & files removed with 'make mrproper' 1165MRPROPER_DIRS += include/config include/generated 1166MRPROPER_FILES += .config .config.old \ 1167 tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS \ 1168 include/config.h include/config.mk 1169 1170# clean - Delete most, but leave enough to build external modules 1171# 1172clean: rm-dirs := $(CLEAN_DIRS) 1173clean: rm-files := $(CLEAN_FILES) 1174 1175clean-dirs := $(foreach f,$(u-boot-alldirs),$(if $(wildcard $f/Makefile),$f)) 1176 1177clean-dirs := $(addprefix _clean_, $(clean-dirs) doc/DocBook) 1178 1179PHONY += $(clean-dirs) clean archclean 1180$(clean-dirs): 1181 $(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@) 1182 1183# TODO: Do not use *.cfgtmp 1184clean: $(clean-dirs) 1185 $(call cmd,rmdirs) 1186 $(call cmd,rmfiles) 1187 @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \ 1188 \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \ 1189 -o -name '*.ko.*' -o -name '*.su' -o -name '*.cfgtmp' \ 1190 -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \ 1191 -o -name '*.symtypes' -o -name 'modules.order' \ 1192 -o -name modules.builtin -o -name '.tmp_*.o.*' \ 1193 -o -name '*.gcno' \) -type f -print | xargs rm -f 1194 @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \ 1195 -path './nand_spl/*' -type l -print | xargs rm -f 1196 1197# clobber 1198# 1199clobber: rm-dirs := $(CLOBBER_DIRS) 1200clobber: rm-files := $(CLOBBER_FILES) 1201 1202PHONY += clobber 1203 1204clobber: clean 1205 $(call cmd,rmdirs) 1206 $(call cmd,rmfiles) 1207 1208# mrproper - Delete all generated files, including .config 1209# 1210mrproper: rm-dirs := $(wildcard $(MRPROPER_DIRS)) 1211mrproper: rm-files := $(wildcard $(MRPROPER_FILES)) 1212mrproper-dirs := $(addprefix _mrproper_,scripts) 1213 1214PHONY += $(mrproper-dirs) mrproper archmrproper 1215$(mrproper-dirs): 1216 $(Q)$(MAKE) $(clean)=$(patsubst _mrproper_%,%,$@) 1217 1218mrproper: clobber $(mrproper-dirs) 1219 $(call cmd,rmdirs) 1220 $(call cmd,rmfiles) 1221 @rm -f arch/*/include/asm/arch arch/*/include/asm/proc 1222 1223# distclean 1224# 1225PHONY += distclean 1226 1227distclean: mrproper 1228 @find $(srctree) $(RCS_FIND_IGNORE) \ 1229 \( -name '*.orig' -o -name '*.rej' -o -name '*~' \ 1230 -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \ 1231 -o -name '.*.rej' -o -name '*.pyc' \ 1232 -o -name '*%' -o -name '.*.cmd' -o -name 'core' \) \ 1233 -type f -print | xargs rm -f 1234 1235backup: 1236 F=`basename $(srctree)` ; cd .. ; \ 1237 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F 1238 1239help: 1240 @echo 'Cleaning targets:' 1241 @echo ' clean - Remove most generated files but keep the config and' 1242 @echo ' necessities for testing u-boot' 1243 @echo ' clobber - Remove most generated files but keep the config' 1244 @echo ' mrproper - Remove all generated files + config + various backup files' 1245 @echo ' distclean - mrproper + remove editor backup and patch files' 1246 @echo '' 1247# uncomment after adding Kconfig feature 1248# @echo 'Configuration targets:' 1249# @$(MAKE) -f $(srctree)/scripts/kconfig/Makefile help 1250# @echo '' 1251 @echo 'Other generic targets:' 1252 @echo ' all - Build all necessary images depending on configuration' 1253 @echo ' u-boot - Build the bare u-boot' 1254 @echo ' dir/ - Build all files in dir and below' 1255 @echo ' dir/file.[oisS] - Build specified target only' 1256 @echo ' dir/file.lst - Build specified mixed source/assembly target only' 1257 @echo ' (requires a recent binutils and recent build (System.map))' 1258 @echo ' tags/TAGS - Generate tags file for editors' 1259 @echo ' cscope - Generate cscope index' 1260 @echo ' ubootrelease - Output the release version string' 1261 @echo ' ubootversion - Output the version stored in Makefile' 1262 @echo '' 1263 @echo 'Static analysers' 1264 @echo ' checkstack - Generate a list of stack hogs' 1265 @echo '' 1266 @echo 'Documentation targets:' 1267 @$(MAKE) -f $(srctree)/doc/DocBook/Makefile dochelp 1268 @echo '' 1269 @echo ' make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build' 1270 @echo ' make V=2 [targets] 2 => give reason for rebuild of target' 1271 @echo ' make O=dir [targets] Locate all output files in "dir", including .config' 1272 @echo ' make C=1 [targets] Check all c source with $$CHECK (sparse by default)' 1273 @echo ' make C=2 [targets] Force check of all c source with $$CHECK' 1274 @echo ' make RECORDMCOUNT_WARN=1 [targets] Warn about ignored mcount sections' 1275 @echo ' make W=n [targets] Enable extra gcc checks, n=1,2,3 where' 1276 @echo ' 1: warnings which may be relevant and do not occur too often' 1277 @echo ' 2: warnings which occur quite often but may still be relevant' 1278 @echo ' 3: more obscure warnings, can most likely be ignored' 1279 @echo ' Multiple levels can be combined with W=12 or W=123' 1280 @echo '' 1281 @echo 'Execute "make" or "make all" to build all targets marked with [*] ' 1282 @echo 'For further info see the ./README file' 1283 1284 1285# Documentation targets 1286# --------------------------------------------------------------------------- 1287%docs: scripts_basic FORCE 1288 $(Q)$(MAKE) $(build)=scripts build_docproc 1289 $(Q)$(MAKE) $(build)=doc/DocBook $@ 1290 1291# Dummies... 1292PHONY += prepare scripts 1293prepare: ; 1294scripts: ; 1295 1296endif #ifeq ($(config-targets),1) 1297endif #ifeq ($(mixed-targets),1) 1298 1299PHONY += checkstack ubootrelease ubootversion 1300 1301checkstack: 1302 $(OBJDUMP) -d u-boot $$(find . -name u-boot-spl) | \ 1303 $(PERL) $(src)/scripts/checkstack.pl $(ARCH) 1304 1305ubootrelease: 1306 @echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" 1307 1308ubootversion: 1309 @echo $(UBOOTVERSION) 1310 1311# Single targets 1312# --------------------------------------------------------------------------- 1313# Single targets are compatible with: 1314# - build with mixed source and output 1315# - build with separate output dir 'make O=...' 1316# - external modules 1317# 1318# target-dir => where to store outputfile 1319# build-dir => directory in kernel source tree to use 1320 1321ifeq ($(KBUILD_EXTMOD),) 1322 build-dir = $(patsubst %/,%,$(dir $@)) 1323 target-dir = $(dir $@) 1324else 1325 zap-slash=$(filter-out .,$(patsubst %/,%,$(dir $@))) 1326 build-dir = $(KBUILD_EXTMOD)$(if $(zap-slash),/$(zap-slash)) 1327 target-dir = $(if $(KBUILD_EXTMOD),$(dir $<),$(dir $@)) 1328endif 1329 1330%.s: %.c prepare scripts FORCE 1331 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1332%.i: %.c prepare scripts FORCE 1333 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1334%.o: %.c prepare scripts FORCE 1335 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1336%.lst: %.c prepare scripts FORCE 1337 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1338%.s: %.S prepare scripts FORCE 1339 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1340%.o: %.S prepare scripts FORCE 1341 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1342%.symtypes: %.c prepare scripts FORCE 1343 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1344 1345# Modules 1346/: prepare scripts FORCE 1347 $(cmd_crmodverdir) 1348 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 1349 $(build)=$(build-dir) 1350%/: prepare scripts FORCE 1351 $(cmd_crmodverdir) 1352 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 1353 $(build)=$(build-dir) 1354%.ko: prepare scripts FORCE 1355 $(cmd_crmodverdir) 1356 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 1357 $(build)=$(build-dir) $(@:.ko=.o) 1358 $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost 1359 1360# FIXME Should go into a make.lib or something 1361# =========================================================================== 1362 1363quiet_cmd_rmdirs = $(if $(wildcard $(rm-dirs)),CLEAN $(wildcard $(rm-dirs))) 1364 cmd_rmdirs = rm -rf $(rm-dirs) 1365 1366quiet_cmd_rmfiles = $(if $(wildcard $(rm-files)),CLEAN $(wildcard $(rm-files))) 1367 cmd_rmfiles = rm -f $(rm-files) 1368 1369# read all saved command lines 1370 1371targets := $(wildcard $(sort $(targets))) 1372cmd_files := $(wildcard .*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd)) 1373 1374ifneq ($(cmd_files),) 1375 $(cmd_files): ; # Do not try to update included dependency files 1376 include $(cmd_files) 1377endif 1378 1379# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.clean obj=dir 1380# Usage: 1381# $(Q)$(MAKE) $(clean)=dir 1382clean := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.clean obj 1383 1384endif # skip-makefile 1385 1386PHONY += FORCE 1387FORCE: 1388 1389# Declare the contents of the .PHONY variable as phony. We keep that 1390# information in a variable so we can use it in if_changed and friends. 1391.PHONY: $(PHONY) 1392