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 = 07 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 mkdir -p $(KBUILD_OUTPUT) && cd $(KBUILD_OUTPUT) \ 128 && /bin/pwd) 129$(if $(KBUILD_OUTPUT),, \ 130 $(error failed to create output directory "$(saved-output)")) 131 132PHONY += $(MAKECMDGOALS) sub-make 133 134$(filter-out _all sub-make $(CURDIR)/Makefile, $(MAKECMDGOALS)) _all: sub-make 135 @: 136 137sub-make: FORCE 138 $(if $(KBUILD_VERBOSE:1=),@)$(MAKE) -C $(KBUILD_OUTPUT) \ 139 KBUILD_SRC=$(CURDIR) \ 140 KBUILD_EXTMOD="$(KBUILD_EXTMOD)" -f $(CURDIR)/Makefile \ 141 $(filter-out _all sub-make,$(MAKECMDGOALS)) 142 143# Leave processing to above invocation of make 144skip-makefile := 1 145endif # ifneq ($(KBUILD_OUTPUT),) 146endif # ifeq ($(KBUILD_SRC),) 147 148# We process the rest of the Makefile if this is the final invocation of make 149ifeq ($(skip-makefile),) 150 151# If building an external module we do not care about the all: rule 152# but instead _all depend on modules 153PHONY += all 154ifeq ($(KBUILD_EXTMOD),) 155_all: all 156else 157_all: modules 158endif 159 160srctree := $(if $(KBUILD_SRC),$(KBUILD_SRC),$(CURDIR)) 161objtree := $(CURDIR) 162src := $(srctree) 163obj := $(objtree) 164 165VPATH := $(srctree)$(if $(KBUILD_EXTMOD),:$(KBUILD_EXTMOD)) 166 167export srctree objtree VPATH 168 169MKCONFIG := $(srctree)/mkconfig 170export MKCONFIG 171 172# Make sure CDPATH settings don't interfere 173unexport CDPATH 174 175######################################################################### 176 177HOSTARCH := $(shell uname -m | \ 178 sed -e s/i.86/x86/ \ 179 -e s/sun4u/sparc64/ \ 180 -e s/arm.*/arm/ \ 181 -e s/sa110/arm/ \ 182 -e s/ppc64/powerpc/ \ 183 -e s/ppc/powerpc/ \ 184 -e s/macppc/powerpc/\ 185 -e s/sh.*/sh/) 186 187HOSTOS := $(shell uname -s | tr '[:upper:]' '[:lower:]' | \ 188 sed -e 's/\(cygwin\).*/cygwin/') 189 190export HOSTARCH HOSTOS 191 192# Deal with colliding definitions from tcsh etc. 193VENDOR= 194 195######################################################################### 196 197# set default to nothing for native builds 198ifeq ($(HOSTARCH),$(ARCH)) 199CROSS_COMPILE ?= 200endif 201 202# SHELL used by kbuild 203CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \ 204 else if [ -x /bin/bash ]; then echo /bin/bash; \ 205 else echo sh; fi ; fi) 206 207HOSTCC = gcc 208HOSTCXX = g++ 209HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer 210HOSTCXXFLAGS = -O2 211 212ifeq ($(HOSTOS),cygwin) 213HOSTCFLAGS += -ansi 214endif 215 216# Mac OS X / Darwin's C preprocessor is Apple specific. It 217# generates numerous errors and warnings. We want to bypass it 218# and use GNU C's cpp. To do this we pass the -traditional-cpp 219# option to the compiler. Note that the -traditional-cpp flag 220# DOES NOT have the same semantics as GNU C's flag, all it does 221# is invoke the GNU preprocessor in stock ANSI/ISO C fashion. 222# 223# Apple's linker is similar, thanks to the new 2 stage linking 224# multiple symbol definitions are treated as errors, hence the 225# -multiply_defined suppress option to turn off this error. 226# 227ifeq ($(HOSTOS),darwin) 228# get major and minor product version (e.g. '10' and '6' for Snow Leopard) 229DARWIN_MAJOR_VERSION = $(shell sw_vers -productVersion | cut -f 1 -d '.') 230DARWIN_MINOR_VERSION = $(shell sw_vers -productVersion | cut -f 2 -d '.') 231 232os_x_before = $(shell if [ $(DARWIN_MAJOR_VERSION) -le $(1) -a \ 233 $(DARWIN_MINOR_VERSION) -le $(2) ] ; then echo "$(3)"; else echo "$(4)"; fi ;) 234 235# Snow Leopards build environment has no longer restrictions as described above 236HOSTCC = $(call os_x_before, 10, 5, "cc", "gcc") 237HOSTCFLAGS += $(call os_x_before, 10, 4, "-traditional-cpp") 238HOSTLDFLAGS += $(call os_x_before, 10, 5, "-multiply_defined suppress") 239endif 240 241# Decide whether to build built-in, modular, or both. 242# Normally, just do built-in. 243 244KBUILD_MODULES := 245KBUILD_BUILTIN := 1 246 247# If we have only "make modules", don't compile built-in objects. 248# When we're building modules with modversions, we need to consider 249# the built-in objects during the descend as well, in order to 250# make sure the checksums are up to date before we record them. 251 252ifeq ($(MAKECMDGOALS),modules) 253 KBUILD_BUILTIN := $(if $(CONFIG_MODVERSIONS),1) 254endif 255 256# If we have "make <whatever> modules", compile modules 257# in addition to whatever we do anyway. 258# Just "make" or "make all" shall build modules as well 259 260# U-Boot does not need modules 261#ifneq ($(filter all _all modules,$(MAKECMDGOALS)),) 262# KBUILD_MODULES := 1 263#endif 264 265#ifeq ($(MAKECMDGOALS),) 266# KBUILD_MODULES := 1 267#endif 268 269export KBUILD_MODULES KBUILD_BUILTIN 270export KBUILD_CHECKSRC KBUILD_SRC KBUILD_EXTMOD 271 272# Beautify output 273# --------------------------------------------------------------------------- 274# 275# Normally, we echo the whole command before executing it. By making 276# that echo $($(quiet)$(cmd)), we now have the possibility to set 277# $(quiet) to choose other forms of output instead, e.g. 278# 279# quiet_cmd_cc_o_c = Compiling $(RELDIR)/$@ 280# cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $< 281# 282# If $(quiet) is empty, the whole command will be printed. 283# If it is set to "quiet_", only the short version will be printed. 284# If it is set to "silent_", nothing will be printed at all, since 285# the variable $(silent_cmd_cc_o_c) doesn't exist. 286# 287# A simple variant is to prefix commands with $(Q) - that's useful 288# for commands that shall be hidden in non-verbose mode. 289# 290# $(Q)ln $@ :< 291# 292# If KBUILD_VERBOSE equals 0 then the above command will be hidden. 293# If KBUILD_VERBOSE equals 1 then the above command is displayed. 294 295ifeq ($(KBUILD_VERBOSE),1) 296 quiet = 297 Q = 298else 299 quiet=quiet_ 300 Q = @ 301endif 302 303# If the user is running make -s (silent mode), suppress echoing of 304# commands 305 306ifneq ($(filter 4.%,$(MAKE_VERSION)),) # make-4 307ifneq ($(filter %s ,$(firstword x$(MAKEFLAGS))),) 308 quiet=silent_ 309endif 310else # make-3.8x 311ifneq ($(filter s% -s%,$(MAKEFLAGS)),) 312 quiet=silent_ 313endif 314endif 315 316export quiet Q KBUILD_VERBOSE 317 318# Look for make include files relative to root of kernel src 319MAKEFLAGS += --include-dir=$(srctree) 320 321# We need some generic definitions (do not try to remake the file). 322$(srctree)/scripts/Kbuild.include: ; 323include $(srctree)/scripts/Kbuild.include 324 325# Make variables (CC, etc...) 326 327AS = $(CROSS_COMPILE)as 328# Always use GNU ld 329ifneq ($(shell $(CROSS_COMPILE)ld.bfd -v 2> /dev/null),) 330LD = $(CROSS_COMPILE)ld.bfd 331else 332LD = $(CROSS_COMPILE)ld 333endif 334CC = $(CROSS_COMPILE)gcc 335CPP = $(CC) -E 336AR = $(CROSS_COMPILE)ar 337NM = $(CROSS_COMPILE)nm 338LDR = $(CROSS_COMPILE)ldr 339STRIP = $(CROSS_COMPILE)strip 340OBJCOPY = $(CROSS_COMPILE)objcopy 341OBJDUMP = $(CROSS_COMPILE)objdump 342AWK = awk 343PERL = perl 344DTC = dtc 345CHECK = sparse 346 347CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \ 348 -Wbitwise -Wno-return-void -D__CHECK_ENDIAN__ $(CF) 349 350KBUILD_CPPFLAGS := -D__KERNEL__ 351 352KBUILD_CFLAGS := -Wall -Wstrict-prototypes \ 353 -Wno-format-security \ 354 -fno-builtin -ffreestanding 355KBUILD_AFLAGS := -D__ASSEMBLY__ 356 357# Read UBOOTRELEASE from include/config/uboot.release (if it exists) 358UBOOTRELEASE = $(shell cat include/config/uboot.release 2> /dev/null) 359UBOOTVERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SUBLEVEL)))$(EXTRAVERSION) 360 361export VERSION PATCHLEVEL SUBLEVEL UBOOTRELEASE UBOOTVERSION 362export ARCH CPU BOARD VENDOR SOC CPUDIR BOARDDIR 363export CONFIG_SHELL HOSTCC HOSTCFLAGS HOSTLDFLAGS CROSS_COMPILE AS LD CC 364export CPP AR NM LDR STRIP OBJCOPY OBJDUMP 365export MAKE AWK PERL 366export HOSTCXX HOSTCXXFLAGS DTC CHECK CHECKFLAGS 367 368export KBUILD_CPPFLAGS NOSTDINC_FLAGS UBOOTINCLUDE OBJCOPYFLAGS LDFLAGS 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 378export RCS_FIND_IGNORE := \( -name SCCS -o -name BitKeeper -o -name .svn -o \ 379 -name CVS -o -name .pc -o -name .hg -o -name .git \) \ 380 -prune -o 381export RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn \ 382 --exclude CVS --exclude .pc --exclude .hg --exclude .git 383 384# =========================================================================== 385# Rules shared between *config targets and build targets 386 387# Basic helpers built in scripts/ 388PHONY += scripts_basic 389scripts_basic: 390 $(Q)$(MAKE) $(build)=scripts/basic 391 $(Q)rm -f .tmp_quiet_recordmcount 392 393# To avoid any implicit rule to kick in, define an empty command. 394scripts/basic/%: scripts_basic ; 395 396PHONY += outputmakefile 397# outputmakefile generates a Makefile in the output directory, if using a 398# separate output directory. This allows convenient use of make in the 399# output directory. 400outputmakefile: 401ifneq ($(KBUILD_SRC),) 402 $(Q)ln -fsn $(srctree) source 403 $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile \ 404 $(srctree) $(objtree) $(VERSION) $(PATCHLEVEL) 405endif 406 407# To make sure we do not include .config for any of the *config targets 408# catch them early, and hand them over to scripts/kconfig/Makefile 409# It is allowed to specify more targets when calling make, including 410# mixing *config targets and build targets. 411# For example 'make oldconfig all'. 412# Detect when mixed targets is specified, and make a second invocation 413# of make so .config is not included in this case either (for *config). 414 415version_h := include/generated/version_autogenerated.h 416timestamp_h := include/generated/timestamp_autogenerated.h 417 418no-dot-config-targets := clean clobber mrproper distclean \ 419 help %docs check% coccicheck \ 420 ubootversion backup tools-only 421 422config-targets := 0 423mixed-targets := 0 424dot-config := 1 425 426ifneq ($(filter $(no-dot-config-targets), $(MAKECMDGOALS)),) 427 ifeq ($(filter-out $(no-dot-config-targets), $(MAKECMDGOALS)),) 428 dot-config := 0 429 endif 430endif 431 432ifeq ($(KBUILD_EXTMOD),) 433 ifneq ($(filter config %config,$(MAKECMDGOALS)),) 434 config-targets := 1 435 ifneq ($(filter-out config %config,$(MAKECMDGOALS)),) 436 mixed-targets := 1 437 endif 438 endif 439endif 440 441ifeq ($(mixed-targets),1) 442# =========================================================================== 443# We're called with mixed targets (*config and build targets). 444# Handle them one by one. 445 446PHONY += $(MAKECMDGOALS) build-one-by-one 447 448$(MAKECMDGOALS): build-one-by-one 449 @: 450 451build-one-by-one: 452 $(Q)set -e; \ 453 for i in $(MAKECMDGOALS); do \ 454 $(MAKE) -f $(srctree)/Makefile $$i; \ 455 done 456 457else 458ifeq ($(config-targets),1) 459# =========================================================================== 460# *config targets only - make sure prerequisites are updated, and descend 461# in scripts/kconfig to make the *config target 462 463# Read arch specific Makefile to set KBUILD_DEFCONFIG as needed. 464# KBUILD_DEFCONFIG may point out an alternative default configuration 465# used for 'make defconfig' 466 467%_config:: outputmakefile 468 @$(MKCONFIG) -A $(@:_config=) 469 470else 471# =========================================================================== 472# Build targets only - this includes vmlinux, arch specific targets, clean 473# targets and others. In general all targets except *config targets. 474 475# load ARCH, BOARD, and CPU configuration 476-include include/config.mk 477 478ifeq ($(dot-config),1) 479# Read in config 480-include include/autoconf.mk 481-include include/autoconf.mk.dep 482 483# load other configuration 484include $(srctree)/config.mk 485 486ifeq ($(wildcard include/config.mk),) 487$(error "System not configured - see README") 488endif 489 490# If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use 491# that (or fail if absent). Otherwise, search for a linker script in a 492# standard location. 493 494ifndef LDSCRIPT 495 #LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds.debug 496 ifdef CONFIG_SYS_LDSCRIPT 497 # need to strip off double quotes 498 LDSCRIPT := $(srctree)/$(CONFIG_SYS_LDSCRIPT:"%"=%) 499 endif 500endif 501 502# If there is no specified link script, we look in a number of places for it 503ifndef LDSCRIPT 504 ifeq ($(wildcard $(LDSCRIPT)),) 505 LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds 506 endif 507 ifeq ($(wildcard $(LDSCRIPT)),) 508 LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot.lds 509 endif 510 ifeq ($(wildcard $(LDSCRIPT)),) 511 LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot.lds 512 endif 513endif 514 515else 516 517 518endif # $(dot-config) 519 520KBUILD_CFLAGS += -Os #-fomit-frame-pointer 521 522ifdef BUILD_TAG 523KBUILD_CFLAGS += -DBUILD_TAG='"$(BUILD_TAG)"' 524endif 525 526KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector) 527 528KBUILD_CFLAGS += -g 529# $(KBUILD_AFLAGS) sets -g, which causes gcc to pass a suitable -g<format> 530# option to the assembler. 531KBUILD_AFLAGS += -g 532 533# Report stack usage if supported 534ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-stack-usage.sh $(CC)),y) 535 KBUILD_CFLAGS += -fstack-usage 536endif 537 538KBUILD_CFLAGS += $(call cc-option,-Wno-format-nonliteral) 539 540# turn jbsr into jsr for m68k 541ifeq ($(ARCH),m68k) 542ifeq ($(findstring 3.4,$(shell $(CC) --version)),3.4) 543KBUILD_AFLAGS += -Wa,-gstabs,-S 544endif 545endif 546 547# Prohibit date/time macros, which would make the build non-deterministic 548KBUILD_CFLAGS += $(call cc-option,-Werror=date-time) 549 550ifneq ($(CONFIG_SYS_TEXT_BASE),) 551KBUILD_CPPFLAGS += -DCONFIG_SYS_TEXT_BASE=$(CONFIG_SYS_TEXT_BASE) 552endif 553 554export CONFIG_SYS_TEXT_BASE 555 556# Add user supplied CPPFLAGS, AFLAGS and CFLAGS as the last assignments 557KBUILD_CPPFLAGS += $(KCPPFLAGS) 558KBUILD_AFLAGS += $(KAFLAGS) 559KBUILD_CFLAGS += $(KCFLAGS) 560 561# Use UBOOTINCLUDE when you must reference the include/ directory. 562# Needed to be compatible with the O= option 563UBOOTINCLUDE := \ 564 -Iinclude \ 565 $(if $(KBUILD_SRC), -I$(srctree)/include) \ 566 -I$(srctree)/arch/$(ARCH)/include 567 568NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include) 569CHECKFLAGS += $(NOSTDINC_FLAGS) 570 571# FIX ME 572cpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \ 573 $(NOSTDINC_FLAGS) 574c_flags := $(KBUILD_CFLAGS) $(cpp_flags) 575 576######################################################################### 577# U-Boot objects....order is important (i.e. start must be first) 578 579head-y := $(CPUDIR)/start.o 580head-$(CONFIG_4xx) += arch/powerpc/cpu/ppc4xx/resetvec.o 581head-$(CONFIG_MPC85xx) += arch/powerpc/cpu/mpc85xx/resetvec.o 582 583HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n) 584 585libs-y += lib/ 586libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/ 587libs-y += $(CPUDIR)/ 588ifdef SOC 589libs-y += $(CPUDIR)/$(SOC)/ 590endif 591libs-$(CONFIG_OF_EMBED) += dts/ 592libs-y += arch/$(ARCH)/lib/ 593libs-y += fs/ 594libs-y += net/ 595libs-y += disk/ 596libs-y += drivers/ 597libs-$(CONFIG_DM) += drivers/core/ 598libs-y += drivers/dma/ 599libs-y += drivers/gpio/ 600libs-y += drivers/i2c/ 601libs-y += drivers/input/ 602libs-y += drivers/mmc/ 603libs-y += drivers/mtd/ 604libs-$(CONFIG_CMD_NAND) += drivers/mtd/nand/ 605libs-y += drivers/mtd/onenand/ 606libs-$(CONFIG_CMD_UBI) += drivers/mtd/ubi/ 607libs-y += drivers/mtd/spi/ 608libs-y += drivers/net/ 609libs-y += drivers/net/phy/ 610libs-y += drivers/pci/ 611libs-y += drivers/power/ \ 612 drivers/power/fuel_gauge/ \ 613 drivers/power/mfd/ \ 614 drivers/power/pmic/ \ 615 drivers/power/battery/ 616libs-y += drivers/spi/ 617libs-$(CONFIG_FMAN_ENET) += drivers/net/fm/ 618libs-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/ 619libs-y += drivers/serial/ 620libs-y += drivers/usb/eth/ 621libs-y += drivers/usb/gadget/ 622libs-y += drivers/usb/host/ 623libs-y += drivers/usb/musb/ 624libs-y += drivers/usb/musb-new/ 625libs-y += drivers/usb/phy/ 626libs-y += drivers/usb/ulpi/ 627libs-y += common/ 628libs-y += lib/libfdt/ 629libs-$(CONFIG_API) += api/ 630libs-$(CONFIG_HAS_POST) += post/ 631libs-y += test/ 632libs-y += test/dm/ 633libs-$(CONFIG_DM_DEMO) += drivers/demo/ 634 635ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610)) 636libs-y += arch/$(ARCH)/imx-common/ 637endif 638 639libs-$(CONFIG_ARM) += arch/arm/cpu/ 640libs-$(CONFIG_PPC) += arch/powerpc/cpu/ 641 642libs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/) 643 644libs-y := $(sort $(libs-y)) 645 646u-boot-dirs := $(patsubst %/,%,$(filter %/, $(libs-y))) tools examples 647 648u-boot-alldirs := $(sort $(u-boot-dirs) $(patsubst %/,%,$(filter %/, $(libs-)))) 649 650libs-y := $(patsubst %/, %/built-in.o, $(libs-y)) 651 652u-boot-init := $(head-y) 653u-boot-main := $(libs-y) 654 655 656# Add GCC lib 657ifdef CONFIG_USE_PRIVATE_LIBGCC 658ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y) 659PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a 660else 661PLATFORM_LIBGCC = -L $(CONFIG_USE_PRIVATE_LIBGCC) -lgcc 662endif 663else 664PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(c_flags) -print-libgcc-file-name`) -lgcc 665endif 666PLATFORM_LIBS += $(PLATFORM_LIBGCC) 667export PLATFORM_LIBS 668export PLATFORM_LIBGCC 669 670# Special flags for CPP when processing the linker script. 671# Pass the version down so we can handle backwards compatibility 672# on the fly. 673LDPPFLAGS += \ 674 -include $(srctree)/include/u-boot/u-boot.lds.h \ 675 -DCPUDIR=$(CPUDIR) \ 676 $(shell $(LD) --version | \ 677 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 678 679######################################################################### 680######################################################################### 681 682ifneq ($(CONFIG_BOARD_SIZE_LIMIT),) 683BOARD_SIZE_CHECK = \ 684 @actual=`wc -c $@ | awk '{print $$1}'`; \ 685 limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \ 686 if test $$actual -gt $$limit; then \ 687 echo "$@ exceeds file size limit:" >&2 ; \ 688 echo " limit: $$limit bytes" >&2 ; \ 689 echo " actual: $$actual bytes" >&2 ; \ 690 echo " excess: $$((actual - limit)) bytes" >&2; \ 691 exit 1; \ 692 fi 693else 694BOARD_SIZE_CHECK = 695endif 696 697# Statically apply RELA-style relocations (currently arm64 only) 698ifneq ($(CONFIG_STATIC_RELA),) 699# $(1) is u-boot ELF, $(2) is u-boot bin, $(3) is text base 700DO_STATIC_RELA = \ 701 start=$$($(NM) $(1) | grep __rel_dyn_start | cut -f 1 -d ' '); \ 702 end=$$($(NM) $(1) | grep __rel_dyn_end | cut -f 1 -d ' '); \ 703 tools/relocate-rela $(2) $(3) $$start $$end 704else 705DO_STATIC_RELA = 706endif 707 708# Always append ALL so that arch config.mk's can add custom ones 709ALL-y += u-boot.srec u-boot.bin System.map binary_size_check 710 711ALL-$(CONFIG_ONENAND_U_BOOT) += u-boot-onenand.bin 712ifeq ($(CONFIG_SPL_FSL_PBL),y) 713ALL-$(CONFIG_RAMBOOT_PBL) += u-boot-with-spl-pbl.bin 714else 715ALL-$(CONFIG_RAMBOOT_PBL) += u-boot.pbl 716endif 717ALL-$(CONFIG_SPL) += spl/u-boot-spl.bin 718ALL-$(CONFIG_SPL_FRAMEWORK) += u-boot.img 719ALL-$(CONFIG_TPL) += tpl/u-boot-tpl.bin 720ALL-$(CONFIG_OF_SEPARATE) += u-boot.dtb u-boot-dtb.bin 721ifeq ($(CONFIG_SPL_FRAMEWORK),y) 722ALL-$(CONFIG_OF_SEPARATE) += u-boot-dtb.img 723endif 724ALL-$(CONFIG_OF_HOSTFILE) += u-boot.dtb 725ifneq ($(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 += $(LDFLAGS_FINAL) 742ifneq ($(CONFIG_SYS_TEXT_BASE),) 743LDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE) 744endif 745 746quiet_cmd_objcopy = OBJCOPY $@ 747cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@ 748 749quiet_cmd_mkimage = MKIMAGE $@ 750cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \ 751 $(if $(KBUILD_VERBOSE:1=), >/dev/null) 752 753quiet_cmd_cat = CAT $@ 754cmd_cat = cat $(filter-out $(PHONY), $^) > $@ 755 756append = cat $(filter-out $< $(PHONY), $^) >> $@ 757 758quiet_cmd_pad_cat = CAT $@ 759cmd_pad_cat = $(cmd_objcopy) && $(append) || rm -f $@ 760 761all: $(ALL-y) 762 763PHONY += dtbs 764dtbs dts/dt.dtb: checkdtc u-boot 765 $(Q)$(MAKE) $(build)=dts dtbs 766 767u-boot-dtb.bin: u-boot.bin dts/dt.dtb FORCE 768 $(call if_changed,cat) 769 770%.imx: %.bin 771 $(Q)$(MAKE) $(build)=arch/arm/imx-common $@ 772 773quiet_cmd_copy = COPY $@ 774 cmd_copy = cp $< $@ 775 776u-boot.dtb: dts/dt.dtb 777 $(call cmd,copy) 778 779OBJCOPYFLAGS_u-boot.hex := -O ihex 780 781OBJCOPYFLAGS_u-boot.srec := -O srec 782 783u-boot.hex u-boot.srec: u-boot FORCE 784 $(call if_changed,objcopy) 785 786OBJCOPYFLAGS_u-boot.bin := -O binary 787 788binary_size_check: u-boot.bin System.map FORCE 789 @file_size=`stat -c %s u-boot.bin` ; \ 790 map_size=$(shell cat System.map | \ 791 awk '/_image_copy_start/ {start = $$1} /_image_binary_end/ {end = $$1} END {if (start != "" && end != "") print "ibase=16; " toupper(end) " - " toupper(start)}' \ 792 | bc); \ 793 if [ "" != "$$map_size" ]; then \ 794 if test $$map_size -ne $$file_size; then \ 795 echo "System.map shows a binary size of $$map_size" >&2 ; \ 796 echo " but u-boot.bin shows $$file_size" >&2 ; \ 797 exit 1; \ 798 fi \ 799 fi 800 801u-boot.bin: u-boot FORCE 802 $(call if_changed,objcopy) 803 $(call DO_STATIC_RELA,$<,$@,$(CONFIG_SYS_TEXT_BASE)) 804 $(BOARD_SIZE_CHECK) 805 806u-boot.ldr: u-boot 807 $(CREATE_LDR_ENV) 808 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS) 809 $(BOARD_SIZE_CHECK) 810 811OBJCOPYFLAGS_u-boot.ldr.hex := -I binary -O ihex 812 813OBJCOPYFLAGS_u-boot.ldr.srec := -I binary -O srec 814 815u-boot.ldr.hex u-boot.ldr.srec: u-boot.ldr FORCE 816 $(call if_changed,objcopy) 817 818# 819# U-Boot entry point, needed for booting of full-blown U-Boot 820# from the SPL U-Boot version. 821# 822ifndef CONFIG_SYS_UBOOT_START 823CONFIG_SYS_UBOOT_START := 0 824endif 825 826MKIMAGEFLAGS_u-boot.img = -A $(ARCH) -T firmware -C none -O u-boot \ 827 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \ 828 -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board" 829 830MKIMAGEFLAGS_u-boot.kwb = -n $(srctree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%) \ 831 -T kwbimage -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) 832 833MKIMAGEFLAGS_u-boot.pbl = -n $(srctree)/$(CONFIG_SYS_FSL_PBL_RCW:"%"=%) \ 834 -R $(srctree)/$(CONFIG_SYS_FSL_PBL_PBI:"%"=%) -T pblimage 835 836u-boot.img u-boot.kwb u-boot.pbl: u-boot.bin FORCE 837 $(call if_changed,mkimage) 838 839MKIMAGEFLAGS_u-boot-dtb.img = $(MKIMAGEFLAGS_u-boot.img) 840 841u-boot-dtb.img: u-boot-dtb.bin FORCE 842 $(call if_changed,mkimage) 843 844u-boot.sha1: u-boot.bin 845 tools/ubsha1 u-boot.bin 846 847u-boot.dis: u-boot 848 $(OBJDUMP) -d $< > $@ 849 850ifdef CONFIG_TPL 851SPL_PAYLOAD := tpl/u-boot-with-tpl.bin 852else 853SPL_PAYLOAD := u-boot.bin 854endif 855 856OBJCOPYFLAGS_u-boot-with-spl.bin = -I binary -O binary \ 857 --pad-to=$(CONFIG_SPL_PAD_TO) 858u-boot-with-spl.bin: spl/u-boot-spl.bin $(SPL_PAYLOAD) FORCE 859 $(call if_changed,pad_cat) 860 861OBJCOPYFLAGS_u-boot-with-tpl.bin = -I binary -O binary \ 862 --pad-to=$(CONFIG_TPL_PAD_TO) 863tpl/u-boot-with-tpl.bin: tpl/u-boot-tpl.bin u-boot.bin FORCE 864 $(call if_changed,pad_cat) 865 866SPL: spl/u-boot-spl.bin FORCE 867 $(Q)$(MAKE) $(build)=arch/arm/imx-common $@ 868 869u-boot-with-spl.imx u-boot-with-nand-spl.imx: SPL u-boot.bin FORCE 870 $(Q)$(MAKE) $(build)=arch/arm/imx-common $@ 871 872MKIMAGEFLAGS_u-boot.ubl = -n $(UBL_CONFIG) -T ublimage -e $(CONFIG_SYS_TEXT_BASE) 873 874u-boot.ubl: u-boot-with-spl.bin FORCE 875 $(call if_changed,mkimage) 876 877MKIMAGEFLAGS_u-boot-spl.ais = -s -n $(if $(CONFIG_AIS_CONFIG_FILE), \ 878 $(srctree)/$(CONFIG_AIS_CONFIG_FILE:"%"=%),"/dev/null") \ 879 -T aisimage -e $(CONFIG_SPL_TEXT_BASE) 880spl/u-boot-spl.ais: spl/u-boot-spl.bin FORCE 881 $(call if_changed,mkimage) 882 883OBJCOPYFLAGS_u-boot.ais = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) 884u-boot.ais: spl/u-boot-spl.ais u-boot.img FORCE 885 $(call if_changed,pad_cat) 886 887u-boot-signed.sb: u-boot.bin spl/u-boot-spl.bin 888 $(Q)$(MAKE) $(build)=arch/arm/cpu/arm926ejs/mxs u-boot-signed.sb 889u-boot.sb: u-boot.bin spl/u-boot-spl.bin 890 $(Q)$(MAKE) $(build)=arch/arm/cpu/arm926ejs/mxs u-boot.sb 891 892# On x600 (SPEAr600) U-Boot is appended to U-Boot SPL. 893# Both images are created using mkimage (crc etc), so that the ROM 894# bootloader can check its integrity. Padding needs to be done to the 895# SPL image (with mkimage header) and not the binary. Otherwise the resulting image 896# which is loaded/copied by the ROM bootloader to SRAM doesn't fit. 897# The resulting image containing both U-Boot images is called u-boot.spr 898MKIMAGEFLAGS_u-boot-spl.img = -A $(ARCH) -T firmware -C none \ 899 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER 900spl/u-boot-spl.img: spl/u-boot-spl.bin FORCE 901 $(call if_changed,mkimage) 902 903OBJCOPYFLAGS_u-boot.spr = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) \ 904 --gap-fill=0xff 905u-boot.spr: spl/u-boot-spl.img u-boot.img FORCE 906 $(call if_changed,pad_cat) 907 908MKIMAGEFLAGS_u-boot-spl.gph = -A $(ARCH) -T gpimage -C none \ 909 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n SPL 910spl/u-boot-spl.gph: spl/u-boot-spl.bin FORCE 911 $(call if_changed,mkimage) 912 913OBJCOPYFLAGS_u-boot-spi.gph = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) \ 914 --gap-fill=0 915u-boot-spi.gph: spl/u-boot-spl.gph u-boot.img FORCE 916 $(call if_changed,pad_cat) 917 918MKIMAGEFLAGS_u-boot-nand.gph = -A $(ARCH) -T gpimage -C none \ 919 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -n U-Boot 920u-boot-nand.gph: u-boot.bin FORCE 921 $(call if_changed,mkimage) 922 @dd if=/dev/zero bs=8 count=1 2>/dev/null >> $@ 923 924ifneq ($(CONFIG_SUNXI),) 925OBJCOPYFLAGS_u-boot-sunxi-with-spl.bin = -I binary -O binary \ 926 --pad-to=$(CONFIG_SPL_PAD_TO) --gap-fill=0xff 927u-boot-sunxi-with-spl.bin: spl/sunxi-spl.bin u-boot.img FORCE 928 $(call if_changed,pad_cat) 929endif 930 931ifneq ($(CONFIG_TEGRA),) 932OBJCOPYFLAGS_u-boot-nodtb-tegra.bin = -O binary --pad-to=$(CONFIG_SYS_TEXT_BASE) 933u-boot-nodtb-tegra.bin: spl/u-boot-spl u-boot.bin FORCE 934 $(call if_changed,pad_cat) 935 936ifeq ($(CONFIG_OF_SEPARATE),y) 937u-boot-dtb-tegra.bin: u-boot-nodtb-tegra.bin dts/dt.dtb FORCE 938 $(call if_changed,cat) 939endif 940endif 941 942u-boot-img.bin: spl/u-boot-spl.bin u-boot.img FORCE 943 $(call if_changed,cat) 944 945#Add a target to create boot binary having SPL binary in PBI format 946#concatenated with u-boot binary. It is need by PowerPC SoC having 947#internal SRAM <= 512KB. 948MKIMAGEFLAGS_u-boot-spl.pbl = -n $(srctree)/$(CONFIG_SYS_FSL_PBL_RCW:"%"=%) \ 949 -R $(srctree)/$(CONFIG_SYS_FSL_PBL_PBI:"%"=%) -T pblimage 950 951spl/u-boot-spl.pbl: spl/u-boot-spl.bin FORCE 952 $(call if_changed,mkimage) 953 954OBJCOPYFLAGS_u-boot-with-spl-pbl.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) \ 955 --gap-fill=0xff 956 957u-boot-with-spl-pbl.bin: spl/u-boot-spl.pbl u-boot.bin FORCE 958 $(call if_changed,pad_cat) 959 960# PPC4xx needs the SPL at the end of the image, since the reset vector 961# is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target 962# and need to introduce a new build target with the full blown U-Boot 963# at the start padded up to the start of the SPL image. And then concat 964# the SPL image to the end. 965 966OBJCOPYFLAGS_u-boot-img-spl-at-end.bin := -I binary -O binary \ 967 --pad-to=$(CONFIG_UBOOT_PAD_TO) --gap-fill=0xff 968u-boot-img-spl-at-end.bin: u-boot.img spl/u-boot-spl.bin FORCE 969 $(call if_changed,pad_cat) 970 971# Create a new ELF from a raw binary file. This is useful for arm64 972# where static relocation needs to be performed on the raw binary, 973# but certain simulators only accept an ELF file (but don't do the 974# relocation). 975# FIXME refactor dts/Makefile to share target/arch detection 976u-boot.elf: u-boot.bin 977 @$(OBJCOPY) -B aarch64 -I binary -O elf64-littleaarch64 \ 978 $< u-boot-elf.o 979 @$(LD) u-boot-elf.o -o $@ \ 980 --defsym=_start=$(CONFIG_SYS_TEXT_BASE) \ 981 -Ttext=$(CONFIG_SYS_TEXT_BASE) 982 983# Rule to link u-boot 984# May be overridden by arch/$(ARCH)/config.mk 985quiet_cmd_u-boot__ ?= LD $@ 986 cmd_u-boot__ ?= $(LD) $(LDFLAGS) $(LDFLAGS_u-boot) -o $@ \ 987 -T u-boot.lds $(u-boot-init) \ 988 --start-group $(u-boot-main) --end-group \ 989 $(PLATFORM_LIBS) -Map u-boot.map 990 991u-boot: $(u-boot-init) $(u-boot-main) u-boot.lds 992 $(call if_changed,u-boot__) 993ifeq ($(CONFIG_KALLSYMS),y) 994 smap=`$(call SYSTEM_MAP,u-boot) | \ 995 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \ 996 $(CC) $(c_flags) -DSYSTEM_MAP="\"$${smap}\"" \ 997 -c $(srctree)/common/system_map.c -o common/system_map.o 998 $(call cmd,u-boot__) common/system_map.o 999endif 1000 1001# The actual objects are generated when descending, 1002# make sure no implicit rule kicks in 1003$(sort $(u-boot-init) $(u-boot-main)): $(u-boot-dirs) ; 1004 1005# Handle descending into subdirectories listed in $(vmlinux-dirs) 1006# Preset locale variables to speed up the build process. Limit locale 1007# tweaks to this spot to avoid wrong language settings when running 1008# make menuconfig etc. 1009# Error messages still appears in the original language 1010 1011PHONY += $(u-boot-dirs) 1012$(u-boot-dirs): prepare scripts 1013 $(Q)$(MAKE) $(build)=$@ 1014 1015tools: prepare 1016# The "tools" are needed early 1017$(filter-out tools, $(u-boot-dirs)): tools 1018# The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC 1019# is "yes"), so compile examples after U-Boot is compiled. 1020examples: $(filter-out examples, $(u-boot-dirs)) 1021 1022define filechk_uboot.release 1023 echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" 1024endef 1025 1026# Store (new) UBOOTRELEASE string in include/config/uboot.release 1027include/config/uboot.release: Makefile FORCE 1028 $(call filechk,uboot.release) 1029 1030 1031# Things we need to do before we recursively start building the kernel 1032# or the modules are listed in "prepare". 1033# A multi level approach is used. prepareN is processed before prepareN-1. 1034# archprepare is used in arch Makefiles and when processed asm symlink, 1035# version.h and scripts_basic is processed / created. 1036 1037# Listed in dependency order 1038PHONY += prepare archprepare prepare0 prepare1 prepare2 prepare3 1039 1040# prepare3 is used to check if we are building in a separate output directory, 1041# and if so do: 1042# 1) Check that make has not been executed in the kernel src $(srctree) 1043prepare3: include/config/uboot.release 1044ifneq ($(KBUILD_SRC),) 1045 @$(kecho) ' Using $(srctree) as source for u-boot' 1046 $(Q)if [ -f $(srctree)/include/config.mk ]; then \ 1047 echo >&2 " $(srctree) is not clean, please run 'make mrproper'"; \ 1048 echo >&2 " in the '$(srctree)' directory.";\ 1049 /bin/false; \ 1050 fi; 1051endif 1052 1053# prepare2 creates a makefile if using a separate output directory 1054prepare2: prepare3 outputmakefile 1055 1056prepare1: prepare2 $(version_h) $(timestamp_h) 1057ifeq ($(__HAVE_ARCH_GENERIC_BOARD),) 1058ifeq ($(CONFIG_SYS_GENERIC_BOARD),y) 1059 @echo >&2 " Your architecture does not support generic board." 1060 @echo >&2 " Please undefine CONFIG_SYS_GENERIC_BOARD in your board config file." 1061 @/bin/false 1062endif 1063endif 1064ifeq ($(wildcard $(LDSCRIPT)),) 1065 @echo >&2 " Could not find linker script." 1066 @/bin/false 1067endif 1068 1069archprepare: prepare1 scripts_basic 1070 1071prepare0: archprepare FORCE 1072 $(Q)$(MAKE) $(build)=. 1073 1074# All the preparing.. 1075prepare: prepare0 1076 1077# Generate some files 1078# --------------------------------------------------------------------------- 1079 1080define filechk_version.h 1081 (echo \#define PLAIN_VERSION \"$(UBOOTRELEASE)\"; \ 1082 echo \#define U_BOOT_VERSION \"U-Boot \" PLAIN_VERSION; \ 1083 echo \#define CC_VERSION_STRING \"$$($(CC) --version | head -n 1)\"; \ 1084 echo \#define LD_VERSION_STRING \"$$($(LD) --version | head -n 1)\"; ) 1085endef 1086 1087define filechk_timestamp.h 1088 (LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"'; \ 1089 LC_ALL=C date +'#define U_BOOT_TIME "%T"') 1090endef 1091 1092$(version_h): include/config/uboot.release FORCE 1093 $(call filechk,version.h) 1094 1095$(timestamp_h): $(srctree)/Makefile FORCE 1096 $(call filechk,timestamp.h) 1097 1098# 1099# Auto-generate the autoconf.mk file (which is included by all makefiles) 1100# 1101# This target actually generates 2 files; autoconf.mk and autoconf.mk.dep. 1102# the dep file is only include in this top level makefile to determine when 1103# to regenerate the autoconf.mk file. 1104 1105quiet_cmd_autoconf_dep = GEN $@ 1106 cmd_autoconf_dep = $(CC) -x c -DDO_DEPS_ONLY -M $(c_flags) \ 1107 -MQ include/autoconf.mk $(srctree)/include/common.h > $@ || rm $@ 1108 1109include/autoconf.mk.dep: include/config.h include/common.h 1110 $(call cmd,autoconf_dep) 1111 1112quiet_cmd_autoconf = GEN $@ 1113 cmd_autoconf = \ 1114 $(CPP) $(c_flags) -DDO_DEPS_ONLY -dM $(srctree)/include/common.h > $@.tmp && \ 1115 sed -n -f $(srctree)/tools/scripts/define2mk.sed $@.tmp > $@; \ 1116 rm $@.tmp 1117 1118include/autoconf.mk: include/config.h 1119 $(call cmd,autoconf) 1120 1121# --------------------------------------------------------------------------- 1122 1123PHONY += depend dep 1124depend dep: 1125 @echo '*** Warning: make $@ is unnecessary now.' 1126 1127# --------------------------------------------------------------------------- 1128quiet_cmd_cpp_lds = LDS $@ 1129cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \ 1130 -D__ASSEMBLY__ -x assembler-with-cpp -P -o $@ $< 1131 1132u-boot.lds: $(LDSCRIPT) prepare FORCE 1133 $(call if_changed_dep,cpp_lds) 1134 1135spl/u-boot-spl.bin: spl/u-boot-spl 1136 @: 1137spl/u-boot-spl: tools prepare 1138 $(Q)$(MAKE) obj=spl -f $(srctree)/scripts/Makefile.spl all 1139 1140spl/sunxi-spl.bin: spl/u-boot-spl 1141 @: 1142 1143tpl/u-boot-tpl.bin: tools prepare 1144 $(Q)$(MAKE) obj=tpl -f $(srctree)/scripts/Makefile.spl all CONFIG_TPL_BUILD=y 1145 1146TAG_SUBDIRS := $(patsubst %,$(srctree)/%,$(u-boot-dirs) include) 1147 1148FIND := find 1149FINDFLAGS := -L 1150 1151tags ctags: 1152 ctags -w -o ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 1153 -name '*.[chS]' -print` 1154 1155etags: 1156 etags -a -o etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 1157 -name '*.[chS]' -print` 1158cscope: 1159 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \ 1160 cscope.files 1161 cscope -b -q -k 1162 1163SYSTEM_MAP = \ 1164 $(NM) $1 | \ 1165 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \ 1166 LC_ALL=C sort 1167System.map: u-boot 1168 @$(call SYSTEM_MAP,$<) > $@ 1169 1170checkdtc: 1171 @if test $(call dtc-version) -lt 0104; then \ 1172 echo '*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \ 1173 false; \ 1174 fi 1175 1176######################################################################### 1177 1178# ARM relocations should all be R_ARM_RELATIVE (32-bit) or 1179# R_AARCH64_RELATIVE (64-bit). 1180checkarmreloc: u-boot 1181 @RELOC="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \ 1182 grep R_A | sort -u`"; \ 1183 if test "$$RELOC" != "R_ARM_RELATIVE" -a \ 1184 "$$RELOC" != "R_AARCH64_RELATIVE"; then \ 1185 echo "$< contains unexpected relocations: $$RELOC"; \ 1186 false; \ 1187 fi 1188 1189env: scripts_basic 1190 $(Q)$(MAKE) $(build)=tools/$@ 1191 1192tools-only: scripts_basic $(version_h) $(timestamp_h) 1193 $(Q)$(MAKE) $(build)=tools 1194 1195tools-all: export HOST_TOOLS_ALL=y 1196tools-all: env tools ; 1197 1198cross_tools: export CROSS_BUILD_TOOLS=y 1199cross_tools: tools ; 1200 1201.PHONY : CHANGELOG 1202CHANGELOG: 1203 git log --no-merges U-Boot-1_1_5.. | \ 1204 unexpand -a | sed -e 's/\s\s*$$//' > $@ 1205 1206include/license.h: tools/bin2header COPYING 1207 cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h 1208######################################################################### 1209 1210### 1211# Cleaning is done on three levels. 1212# make clean Delete most generated files 1213# Leave enough to build external modules 1214# make mrproper Delete the current configuration, and all generated files 1215# make distclean Remove editor backup files, patch leftover files and the like 1216 1217# Directories & files removed with 'make clean' 1218CLEAN_DIRS += $(MODVERDIR) 1219CLEAN_FILES += u-boot.lds include/bmp_logo.h include/bmp_logo_data.h \ 1220 include/autoconf.mk* include/spl-autoconf.mk \ 1221 include/tpl-autoconf.mk 1222 1223# Directories & files removed with 'make clobber' 1224CLOBBER_DIRS += spl tpl 1225CLOBBER_FILES += u-boot* MLO* SPL System.map 1226 1227# Directories & files removed with 'make mrproper' 1228MRPROPER_DIRS += include/config include/generated \ 1229 .tmp_objdiff 1230MRPROPER_FILES += .config .config.old \ 1231 ctags etags cscope* GPATH GTAGS GRTAGS GSYMS \ 1232 include/config.h include/config.mk 1233 1234# clean - Delete most, but leave enough to build external modules 1235# 1236clean: rm-dirs := $(CLEAN_DIRS) 1237clean: rm-files := $(CLEAN_FILES) 1238 1239clean-dirs := $(foreach f,$(u-boot-alldirs),$(if $(wildcard $(srctree)/$f/Makefile),$f)) 1240 1241clean-dirs := $(addprefix _clean_, $(clean-dirs) doc/DocBook) 1242 1243PHONY += $(clean-dirs) clean archclean 1244$(clean-dirs): 1245 $(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@) 1246 1247# TODO: Do not use *.cfgtmp 1248clean: $(clean-dirs) 1249 $(call cmd,rmdirs) 1250 $(call cmd,rmfiles) 1251 @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \ 1252 \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \ 1253 -o -name '*.ko.*' -o -name '*.su' -o -name '*.cfgtmp' \ 1254 -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \ 1255 -o -name '*.symtypes' -o -name 'modules.order' \ 1256 -o -name modules.builtin -o -name '.tmp_*.o.*' \ 1257 -o -name '*.gcno' \) -type f -print | xargs rm -f 1258 1259# clobber 1260# 1261clobber: rm-dirs := $(CLOBBER_DIRS) 1262clobber: rm-files := $(CLOBBER_FILES) 1263 1264PHONY += clobber 1265 1266clobber: clean 1267 $(call cmd,rmdirs) 1268 $(call cmd,rmfiles) 1269 1270# mrproper - Delete all generated files, including .config 1271# 1272mrproper: rm-dirs := $(wildcard $(MRPROPER_DIRS)) 1273mrproper: rm-files := $(wildcard $(MRPROPER_FILES)) 1274mrproper-dirs := $(addprefix _mrproper_,scripts) 1275 1276PHONY += $(mrproper-dirs) mrproper archmrproper 1277$(mrproper-dirs): 1278 $(Q)$(MAKE) $(clean)=$(patsubst _mrproper_%,%,$@) 1279 1280mrproper: clobber $(mrproper-dirs) 1281 $(call cmd,rmdirs) 1282 $(call cmd,rmfiles) 1283 @rm -f arch/*/include/asm/arch 1284 1285# distclean 1286# 1287PHONY += distclean 1288 1289distclean: mrproper 1290 @find $(srctree) $(RCS_FIND_IGNORE) \ 1291 \( -name '*.orig' -o -name '*.rej' -o -name '*~' \ 1292 -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \ 1293 -o -name '.*.rej' -o -name '*%' -o -name 'core' \ 1294 -o -name '*.pyc' \) \ 1295 -type f -print | xargs rm -f 1296 1297backup: 1298 F=`basename $(srctree)` ; cd .. ; \ 1299 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F 1300 1301help: 1302 @echo 'Cleaning targets:' 1303 @echo ' clean - Remove most generated files but keep the config and' 1304 @echo ' necessities for testing u-boot' 1305 @echo ' clobber - Remove most generated files but keep the config' 1306 @echo ' mrproper - Remove all generated files + config + various backup files' 1307 @echo ' distclean - mrproper + remove editor backup and patch files' 1308 @echo '' 1309# uncomment after adding Kconfig feature 1310# @echo 'Configuration targets:' 1311# @$(MAKE) -f $(srctree)/scripts/kconfig/Makefile help 1312# @echo '' 1313 @echo 'Other generic targets:' 1314 @echo ' all - Build all necessary images depending on configuration' 1315 @echo ' u-boot - Build the bare u-boot' 1316 @echo ' dir/ - Build all files in dir and below' 1317 @echo ' dir/file.[oisS] - Build specified target only' 1318 @echo ' dir/file.lst - Build specified mixed source/assembly target only' 1319 @echo ' (requires a recent binutils and recent build (System.map))' 1320 @echo ' tags/ctags - Generate ctags file for editors' 1321 @echo ' etags - Generate etags file for editors' 1322 @echo ' cscope - Generate cscope index' 1323 @echo ' ubootrelease - Output the release version string' 1324 @echo ' ubootversion - Output the version stored in Makefile' 1325 @echo '' 1326 @echo 'Static analysers' 1327 @echo ' checkstack - Generate a list of stack hogs' 1328 @echo '' 1329 @echo 'Documentation targets:' 1330 @$(MAKE) -f $(srctree)/doc/DocBook/Makefile dochelp 1331 @echo '' 1332 @echo ' make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build' 1333 @echo ' make V=2 [targets] 2 => give reason for rebuild of target' 1334 @echo ' make O=dir [targets] Locate all output files in "dir", including .config' 1335 @echo ' make C=1 [targets] Check all c source with $$CHECK (sparse by default)' 1336 @echo ' make C=2 [targets] Force check of all c source with $$CHECK' 1337 @echo ' make RECORDMCOUNT_WARN=1 [targets] Warn about ignored mcount sections' 1338 @echo ' make W=n [targets] Enable extra gcc checks, n=1,2,3 where' 1339 @echo ' 1: warnings which may be relevant and do not occur too often' 1340 @echo ' 2: warnings which occur quite often but may still be relevant' 1341 @echo ' 3: more obscure warnings, can most likely be ignored' 1342 @echo ' Multiple levels can be combined with W=12 or W=123' 1343 @echo '' 1344 @echo 'Execute "make" or "make all" to build all targets marked with [*] ' 1345 @echo 'For further info see the ./README file' 1346 1347 1348# Documentation targets 1349# --------------------------------------------------------------------------- 1350%docs: scripts_basic FORCE 1351 $(Q)$(MAKE) $(build)=scripts build_docproc 1352 $(Q)$(MAKE) $(build)=doc/DocBook $@ 1353 1354# Dummies... 1355PHONY += prepare scripts 1356prepare: ; 1357scripts: ; 1358 1359endif #ifeq ($(config-targets),1) 1360endif #ifeq ($(mixed-targets),1) 1361 1362PHONY += checkstack ubootrelease ubootversion 1363 1364checkstack: 1365 $(OBJDUMP) -d u-boot $$(find . -name u-boot-spl) | \ 1366 $(PERL) $(src)/scripts/checkstack.pl $(ARCH) 1367 1368ubootrelease: 1369 @echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" 1370 1371ubootversion: 1372 @echo $(UBOOTVERSION) 1373 1374# Single targets 1375# --------------------------------------------------------------------------- 1376# Single targets are compatible with: 1377# - build with mixed source and output 1378# - build with separate output dir 'make O=...' 1379# - external modules 1380# 1381# target-dir => where to store outputfile 1382# build-dir => directory in kernel source tree to use 1383 1384ifeq ($(KBUILD_EXTMOD),) 1385 build-dir = $(patsubst %/,%,$(dir $@)) 1386 target-dir = $(dir $@) 1387else 1388 zap-slash=$(filter-out .,$(patsubst %/,%,$(dir $@))) 1389 build-dir = $(KBUILD_EXTMOD)$(if $(zap-slash),/$(zap-slash)) 1390 target-dir = $(if $(KBUILD_EXTMOD),$(dir $<),$(dir $@)) 1391endif 1392 1393%.s: %.c prepare scripts FORCE 1394 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1395%.i: %.c prepare scripts FORCE 1396 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1397%.o: %.c prepare scripts FORCE 1398 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1399%.lst: %.c prepare scripts FORCE 1400 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1401%.s: %.S prepare scripts FORCE 1402 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1403%.o: %.S prepare scripts FORCE 1404 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1405%.symtypes: %.c prepare scripts FORCE 1406 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1407 1408# Modules 1409/: prepare scripts FORCE 1410 $(cmd_crmodverdir) 1411 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 1412 $(build)=$(build-dir) 1413%/: prepare scripts FORCE 1414 $(cmd_crmodverdir) 1415 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 1416 $(build)=$(build-dir) 1417%.ko: prepare scripts FORCE 1418 $(cmd_crmodverdir) 1419 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 1420 $(build)=$(build-dir) $(@:.ko=.o) 1421 $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost 1422 1423# FIXME Should go into a make.lib or something 1424# =========================================================================== 1425 1426quiet_cmd_rmdirs = $(if $(wildcard $(rm-dirs)),CLEAN $(wildcard $(rm-dirs))) 1427 cmd_rmdirs = rm -rf $(rm-dirs) 1428 1429quiet_cmd_rmfiles = $(if $(wildcard $(rm-files)),CLEAN $(wildcard $(rm-files))) 1430 cmd_rmfiles = rm -f $(rm-files) 1431 1432# read all saved command lines 1433 1434targets := $(wildcard $(sort $(targets))) 1435cmd_files := $(wildcard .*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd)) 1436 1437ifneq ($(cmd_files),) 1438 $(cmd_files): ; # Do not try to update included dependency files 1439 include $(cmd_files) 1440endif 1441 1442# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.clean obj=dir 1443# Usage: 1444# $(Q)$(MAKE) $(clean)=dir 1445clean := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.clean obj 1446 1447endif # skip-makefile 1448 1449PHONY += FORCE 1450FORCE: 1451 1452# Declare the contents of the .PHONY variable as phony. We keep that 1453# information in a variable so we can use it in if_changed and friends. 1454.PHONY: $(PHONY) 1455