1# 2# (C) Copyright 2000-2013 3# Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4# 5# SPDX-License-Identifier: GPL-2.0+ 6# 7 8VERSION = 2014 9PATCHLEVEL = 04 10SUBLEVEL = 11EXTRAVERSION = -rc1 12NAME = 13 14# *DOCUMENTATION* 15# To see a list of typical targets execute "make help" 16# More info can be located in ./README 17# Comments in this file are targeted only to the developer, do not 18# expect to learn how to build the kernel reading this file. 19 20# Do not: 21# o use make's built-in rules and variables 22# (this increases performance and avoids hard-to-debug behaviour); 23# o print "Entering directory ..."; 24MAKEFLAGS += -rR --no-print-directory 25 26# Avoid funny character set dependencies 27unexport LC_ALL 28LC_COLLATE=C 29LC_NUMERIC=C 30export LC_COLLATE LC_NUMERIC 31 32# We are using a recursive build, so we need to do a little thinking 33# to get the ordering right. 34# 35# Most importantly: sub-Makefiles should only ever modify files in 36# their own directory. If in some directory we have a dependency on 37# a file in another dir (which doesn't happen often, but it's often 38# unavoidable when linking the built-in.o targets which finally 39# turn into vmlinux), we will call a sub make in that other dir, and 40# after that we are sure that everything which is in that other dir 41# is now up to date. 42# 43# The only cases where we need to modify files which have global 44# effects are thus separated out and done before the recursive 45# descending is started. They are now explicitly listed as the 46# prepare rule. 47 48# To put more focus on warnings, be less verbose as default 49# Use 'make V=1' to see the full commands 50 51ifeq ("$(origin V)", "command line") 52 KBUILD_VERBOSE = $(V) 53endif 54ifndef KBUILD_VERBOSE 55 KBUILD_VERBOSE = 0 56endif 57 58# Call a source code checker (by default, "sparse") as part of the 59# C compilation. 60# 61# Use 'make C=1' to enable checking of only re-compiled files. 62# Use 'make C=2' to enable checking of *all* source files, regardless 63# of whether they are re-compiled or not. 64# 65# See the file "Documentation/sparse.txt" for more details, including 66# where to get the "sparse" utility. 67 68ifeq ("$(origin C)", "command line") 69 KBUILD_CHECKSRC = $(C) 70endif 71ifndef KBUILD_CHECKSRC 72 KBUILD_CHECKSRC = 0 73endif 74 75# Use make M=dir to specify directory of external module to build 76# Old syntax make ... SUBDIRS=$PWD is still supported 77# Setting the environment variable KBUILD_EXTMOD take precedence 78ifdef SUBDIRS 79 KBUILD_EXTMOD ?= $(SUBDIRS) 80endif 81 82ifeq ("$(origin M)", "command line") 83 KBUILD_EXTMOD := $(M) 84endif 85 86# kbuild supports saving output files in a separate directory. 87# To locate output files in a separate directory two syntaxes are supported. 88# In both cases the working directory must be the root of the kernel src. 89# 1) O= 90# Use "make O=dir/to/store/output/files/" 91# 92# 2) Set KBUILD_OUTPUT 93# Set the environment variable KBUILD_OUTPUT to point to the directory 94# where the output files shall be placed. 95# export KBUILD_OUTPUT=dir/to/store/output/files/ 96# make 97# 98# The O= assignment takes precedence over the KBUILD_OUTPUT environment 99# variable. 100 101 102# KBUILD_SRC is set on invocation of make in OBJ directory 103# KBUILD_SRC is not intended to be used by the regular user (for now) 104ifeq ($(KBUILD_SRC),) 105 106# OK, Make called in directory where kernel src resides 107# Do we want to locate output files in a separate directory? 108ifeq ("$(origin O)", "command line") 109 KBUILD_OUTPUT := $(O) 110endif 111 112ifeq ("$(origin W)", "command line") 113 export KBUILD_ENABLE_EXTRA_GCC_CHECKS := $(W) 114endif 115 116# That's our default target when none is given on the command line 117PHONY := _all 118_all: 119 120# Cancel implicit rules on top Makefile 121$(CURDIR)/Makefile Makefile: ; 122 123ifneq ($(KBUILD_OUTPUT),) 124# Invoke a second make in the output directory, passing relevant variables 125# check that the output directory actually exists 126saved-output := $(KBUILD_OUTPUT) 127KBUILD_OUTPUT := $(shell cd $(KBUILD_OUTPUT) && /bin/pwd) 128$(if $(KBUILD_OUTPUT),, \ 129 $(error output directory "$(saved-output)" does not exist)) 130 131PHONY += $(MAKECMDGOALS) sub-make 132 133$(filter-out _all sub-make $(CURDIR)/Makefile, $(MAKECMDGOALS)) _all: sub-make 134 @: 135 136sub-make: FORCE 137 $(if $(KBUILD_VERBOSE:1=),@)$(MAKE) -C $(KBUILD_OUTPUT) \ 138 KBUILD_SRC=$(CURDIR) \ 139 KBUILD_EXTMOD="$(KBUILD_EXTMOD)" -f $(CURDIR)/Makefile \ 140 $(filter-out _all sub-make,$(MAKECMDGOALS)) 141 142# Leave processing to above invocation of make 143skip-makefile := 1 144endif # ifneq ($(KBUILD_OUTPUT),) 145endif # ifeq ($(KBUILD_SRC),) 146 147# We process the rest of the Makefile if this is the final invocation of make 148ifeq ($(skip-makefile),) 149 150# If building an external module we do not care about the all: rule 151# but instead _all depend on modules 152PHONY += all 153ifeq ($(KBUILD_EXTMOD),) 154_all: all 155else 156_all: modules 157endif 158 159srctree := $(if $(KBUILD_SRC),$(KBUILD_SRC),$(CURDIR)) 160objtree := $(CURDIR) 161src := $(srctree) 162obj := $(objtree) 163 164VPATH := $(srctree)$(if $(KBUILD_EXTMOD),:$(KBUILD_EXTMOD)) 165 166export srctree objtree VPATH 167 168OBJTREE := $(objtree) 169SPLTREE := $(OBJTREE)/spl 170TPLTREE := $(OBJTREE)/tpl 171SRCTREE := $(srctree) 172TOPDIR := $(SRCTREE) 173export TOPDIR SRCTREE OBJTREE SPLTREE TPLTREE 174 175MKCONFIG := $(SRCTREE)/mkconfig 176export MKCONFIG 177 178# Make sure CDPATH settings don't interfere 179unexport CDPATH 180 181######################################################################### 182 183HOSTARCH := $(shell uname -m | \ 184 sed -e s/i.86/x86/ \ 185 -e s/sun4u/sparc64/ \ 186 -e s/arm.*/arm/ \ 187 -e s/sa110/arm/ \ 188 -e s/ppc64/powerpc/ \ 189 -e s/ppc/powerpc/ \ 190 -e s/macppc/powerpc/\ 191 -e s/sh.*/sh/) 192 193HOSTOS := $(shell uname -s | tr '[:upper:]' '[:lower:]' | \ 194 sed -e 's/\(cygwin\).*/cygwin/') 195 196export HOSTARCH HOSTOS 197 198# Deal with colliding definitions from tcsh etc. 199VENDOR= 200 201######################################################################### 202 203# set default to nothing for native builds 204ifeq ($(HOSTARCH),$(ARCH)) 205CROSS_COMPILE ?= 206endif 207 208# SHELL used by kbuild 209CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \ 210 else if [ -x /bin/bash ]; then echo /bin/bash; \ 211 else echo sh; fi ; fi) 212 213HOSTCC = gcc 214HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer 215 216ifeq ($(HOSTOS),cygwin) 217HOSTCFLAGS += -ansi 218endif 219 220# Mac OS X / Darwin's C preprocessor is Apple specific. It 221# generates numerous errors and warnings. We want to bypass it 222# and use GNU C's cpp. To do this we pass the -traditional-cpp 223# option to the compiler. Note that the -traditional-cpp flag 224# DOES NOT have the same semantics as GNU C's flag, all it does 225# is invoke the GNU preprocessor in stock ANSI/ISO C fashion. 226# 227# Apple's linker is similar, thanks to the new 2 stage linking 228# multiple symbol definitions are treated as errors, hence the 229# -multiply_defined suppress option to turn off this error. 230# 231ifeq ($(HOSTOS),darwin) 232# get major and minor product version (e.g. '10' and '6' for Snow Leopard) 233DARWIN_MAJOR_VERSION = $(shell sw_vers -productVersion | cut -f 1 -d '.') 234DARWIN_MINOR_VERSION = $(shell sw_vers -productVersion | cut -f 2 -d '.') 235 236os_x_before = $(shell if [ $(DARWIN_MAJOR_VERSION) -le $(1) -a \ 237 $(DARWIN_MINOR_VERSION) -le $(2) ] ; then echo "$(3)"; else echo "$(4)"; fi ;) 238 239# Snow Leopards build environment has no longer restrictions as described above 240HOSTCC = $(call os_x_before, 10, 5, "cc", "gcc") 241HOSTCFLAGS += $(call os_x_before, 10, 4, "-traditional-cpp") 242HOSTLDFLAGS += $(call os_x_before, 10, 5, "-multiply_defined suppress") 243endif 244 245# Decide whether to build built-in, modular, or both. 246# Normally, just do built-in. 247 248KBUILD_MODULES := 249KBUILD_BUILTIN := 1 250 251# If we have only "make modules", don't compile built-in objects. 252# When we're building modules with modversions, we need to consider 253# the built-in objects during the descend as well, in order to 254# make sure the checksums are up to date before we record them. 255 256ifeq ($(MAKECMDGOALS),modules) 257 KBUILD_BUILTIN := $(if $(CONFIG_MODVERSIONS),1) 258endif 259 260# If we have "make <whatever> modules", compile modules 261# in addition to whatever we do anyway. 262# Just "make" or "make all" shall build modules as well 263 264# U-Boot does not need modules 265#ifneq ($(filter all _all modules,$(MAKECMDGOALS)),) 266# KBUILD_MODULES := 1 267#endif 268 269#ifeq ($(MAKECMDGOALS),) 270# KBUILD_MODULES := 1 271#endif 272 273export KBUILD_MODULES KBUILD_BUILTIN 274export KBUILD_CHECKSRC KBUILD_SRC KBUILD_EXTMOD 275 276# Beautify output 277# --------------------------------------------------------------------------- 278# 279# Normally, we echo the whole command before executing it. By making 280# that echo $($(quiet)$(cmd)), we now have the possibility to set 281# $(quiet) to choose other forms of output instead, e.g. 282# 283# quiet_cmd_cc_o_c = Compiling $(RELDIR)/$@ 284# cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $< 285# 286# If $(quiet) is empty, the whole command will be printed. 287# If it is set to "quiet_", only the short version will be printed. 288# If it is set to "silent_", nothing will be printed at all, since 289# the variable $(silent_cmd_cc_o_c) doesn't exist. 290# 291# A simple variant is to prefix commands with $(Q) - that's useful 292# for commands that shall be hidden in non-verbose mode. 293# 294# $(Q)ln $@ :< 295# 296# If KBUILD_VERBOSE equals 0 then the above command will be hidden. 297# If KBUILD_VERBOSE equals 1 then the above command is displayed. 298 299ifeq ($(KBUILD_VERBOSE),1) 300 quiet = 301 Q = 302else 303 quiet=quiet_ 304 Q = @ 305endif 306 307# If the user is running make -s (silent mode), suppress echoing of 308# commands 309 310ifneq ($(filter s% -s%,$(MAKEFLAGS)),) 311 quiet=silent_ 312endif 313 314export quiet Q KBUILD_VERBOSE 315 316 317# Look for make include files relative to root of kernel src 318MAKEFLAGS += --include-dir=$(srctree) 319 320# We need some generic definitions (do not try to remake the file). 321$(srctree)/scripts/Kbuild.include: ; 322include $(srctree)/scripts/Kbuild.include 323 324# Make variables (CC, etc...) 325 326AS = $(CROSS_COMPILE)as 327# Always use GNU ld 328ifneq ($(shell $(CROSS_COMPILE)ld.bfd -v 2> /dev/null),) 329LD = $(CROSS_COMPILE)ld.bfd 330else 331LD = $(CROSS_COMPILE)ld 332endif 333CC = $(CROSS_COMPILE)gcc 334CPP = $(CC) -E 335AR = $(CROSS_COMPILE)ar 336NM = $(CROSS_COMPILE)nm 337LDR = $(CROSS_COMPILE)ldr 338STRIP = $(CROSS_COMPILE)strip 339OBJCOPY = $(CROSS_COMPILE)objcopy 340OBJDUMP = $(CROSS_COMPILE)objdump 341AWK = awk 342RANLIB = $(CROSS_COMPILE)RANLIB 343DTC = dtc 344CHECK = sparse 345 346CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \ 347 -Wbitwise -Wno-return-void -D__CHECK_ENDIAN__ $(CF) 348 349KBUILD_CPPFLAGS := -D__KERNEL__ 350 351KBUILD_CFLAGS := -Wall -Wstrict-prototypes \ 352 -Wno-format-security \ 353 -fno-builtin -ffreestanding 354KBUILD_AFLAGS := -D__ASSEMBLY__ 355 356# Read UBOOTRELEASE from include/config/uboot.release (if it exists) 357UBOOTRELEASE = $(shell cat include/config/uboot.release 2> /dev/null) 358UBOOTVERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SUBLEVEL)))$(EXTRAVERSION) 359 360export VERSION PATCHLEVEL SUBLEVEL UBOOTRELEASE UBOOTVERSION 361export ARCH CPU BOARD VENDOR SOC 362export CONFIG_SHELL HOSTCC HOSTCFLAGS HOSTLDFLAGS CROSS_COMPILE AS LD CC 363export CPP AR NM LDR STRIP OBJCOPY OBJDUMP 364export MAKE AWK 365export DTC CHECK CHECKFLAGS 366 367export KBUILD_CPPFLAGS NOSTDINC_FLAGS UBOOTINCLUDE 368export KBUILD_CFLAGS KBUILD_AFLAGS 369 370# When compiling out-of-tree modules, put MODVERDIR in the module 371# tree rather than in the kernel tree. The kernel tree might 372# even be read-only. 373export MODVERDIR := $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/).tmp_versions 374 375# Files to ignore in find ... statements 376 377RCS_FIND_IGNORE := \( -name SCCS -o -name BitKeeper -o -name .svn -o -name CVS \ 378 -o -name .pc -o -name .hg -o -name .git \) -prune -o 379export RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn \ 380 --exclude CVS --exclude .pc --exclude .hg --exclude .git 381 382# =========================================================================== 383# Rules shared between *config targets and build targets 384 385# Basic helpers built in scripts/ 386PHONY += scripts_basic 387scripts_basic: 388 $(Q)$(MAKE) $(build)=scripts/basic 389 $(Q)rm -f .tmp_quiet_recordmcount 390 391# To avoid any implicit rule to kick in, define an empty command. 392scripts/basic/%: scripts_basic ; 393 394PHONY += outputmakefile 395# outputmakefile generates a Makefile in the output directory, if using a 396# separate output directory. This allows convenient use of make in the 397# output directory. 398outputmakefile: 399ifneq ($(KBUILD_SRC),) 400 $(Q)ln -fsn $(srctree) source 401 $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile \ 402 $(srctree) $(objtree) $(VERSION) $(PATCHLEVEL) 403endif 404 405# To make sure we do not include .config for any of the *config targets 406# catch them early, and hand them over to scripts/kconfig/Makefile 407# It is allowed to specify more targets when calling make, including 408# mixing *config targets and build targets. 409# For example 'make oldconfig all'. 410# Detect when mixed targets is specified, and make a second invocation 411# of make so .config is not included in this case either (for *config). 412 413version_h := include/generated/version_autogenerated.h 414timestamp_h := include/generated/timestamp_autogenerated.h 415 416no-dot-config-targets := clean clobber mrproper distclean \ 417 help %docs check% coccicheck \ 418 ubootversion backup 419 420config-targets := 0 421mixed-targets := 0 422dot-config := 1 423 424ifneq ($(filter $(no-dot-config-targets), $(MAKECMDGOALS)),) 425 ifeq ($(filter-out $(no-dot-config-targets), $(MAKECMDGOALS)),) 426 dot-config := 0 427 endif 428endif 429 430ifeq ($(KBUILD_EXTMOD),) 431 ifneq ($(filter config %config,$(MAKECMDGOALS)),) 432 config-targets := 1 433 ifneq ($(filter-out config %config,$(MAKECMDGOALS)),) 434 mixed-targets := 1 435 endif 436 endif 437endif 438 439ifeq ($(mixed-targets),1) 440# =========================================================================== 441# We're called with mixed targets (*config and build targets). 442# Handle them one by one. 443 444PHONY += $(MAKECMDGOALS) build-one-by-one 445 446$(MAKECMDGOALS): build-one-by-one 447 @: 448 449build-one-by-one: 450 $(Q)set -e; \ 451 for i in $(MAKECMDGOALS); do \ 452 $(MAKE) -f $(srctree)/Makefile $$i; \ 453 done 454 455else 456ifeq ($(config-targets),1) 457# =========================================================================== 458# *config targets only - make sure prerequisites are updated, and descend 459# in scripts/kconfig to make the *config target 460 461# Read arch specific Makefile to set KBUILD_DEFCONFIG as needed. 462# KBUILD_DEFCONFIG may point out an alternative default configuration 463# used for 'make defconfig' 464 465%_config:: outputmakefile 466 @$(MKCONFIG) -A $(@:_config=) 467 468else 469# =========================================================================== 470# Build targets only - this includes vmlinux, arch specific targets, clean 471# targets and others. In general all targets except *config targets. 472 473# load ARCH, BOARD, and CPU configuration 474-include include/config.mk 475 476ifeq ($(dot-config),1) 477# Read in config 478-include include/autoconf.mk 479-include include/autoconf.mk.dep 480 481# load other configuration 482include $(srctree)/config.mk 483 484ifeq ($(wildcard include/config.mk),) 485$(error "System not configured - see README") 486endif 487 488ifeq ($(__HAVE_ARCH_GENERIC_BOARD),) 489ifneq ($(CONFIG_SYS_GENERIC_BOARD),) 490$(error Your architecture does not support generic board. \ 491Please undefined CONFIG_SYS_GENERIC_BOARD in your board config file) 492endif 493endif 494 495# If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use 496# that (or fail if absent). Otherwise, search for a linker script in a 497# standard location. 498 499LDSCRIPT_MAKEFILE_DIR = $(dir $(LDSCRIPT)) 500 501ifndef LDSCRIPT 502 #LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug 503 ifdef CONFIG_SYS_LDSCRIPT 504 # need to strip off double quotes 505 LDSCRIPT := $(CONFIG_SYS_LDSCRIPT:"%"=%) 506 endif 507endif 508 509# If there is no specified link script, we look in a number of places for it 510ifndef LDSCRIPT 511 ifeq ($(CONFIG_NAND_U_BOOT),y) 512 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-nand.lds 513 ifeq ($(wildcard $(LDSCRIPT)),) 514 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-nand.lds 515 endif 516 endif 517 ifeq ($(wildcard $(LDSCRIPT)),) 518 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds 519 endif 520 ifeq ($(wildcard $(LDSCRIPT)),) 521 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot.lds 522 endif 523 ifeq ($(wildcard $(LDSCRIPT)),) 524 LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot.lds 525 # We don't expect a Makefile here 526 LDSCRIPT_MAKEFILE_DIR = 527 endif 528 ifeq ($(wildcard $(LDSCRIPT)),) 529$(error could not find linker script) 530 endif 531endif 532 533else 534 535 536endif # $(dot-config) 537 538KBUILD_CFLAGS += -Os #-fomit-frame-pointer 539 540ifdef BUILD_TAG 541KBUILD_CFLAGS += -DBUILD_TAG='"$(BUILD_TAG)"' 542endif 543 544KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector) 545 546KBUILD_CFLAGS += -g 547# $(KBUILD_AFLAGS) sets -g, which causes gcc to pass a suitable -g<format> 548# option to the assembler. 549KBUILD_AFLAGS += -g 550 551# Report stack usage if supported 552ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-stack-usage.sh $(CC)),y) 553 KBUILD_CFLAGS += -fstack-usage 554endif 555 556KBUILD_CFLAGS += $(call cc-option,-Wno-format-nonliteral) 557 558# turn jbsr into jsr for m68k 559ifeq ($(ARCH),m68k) 560ifeq ($(findstring 3.4,$(shell $(CC) --version)),3.4) 561KBUILD_AFLAGS += -Wa,-gstabs,-S 562endif 563endif 564 565ifneq ($(CONFIG_SYS_TEXT_BASE),) 566KBUILD_CPPFLAGS += -DCONFIG_SYS_TEXT_BASE=$(CONFIG_SYS_TEXT_BASE) 567endif 568 569export CONFIG_SYS_TEXT_BASE 570 571# Use UBOOTINCLUDE when you must reference the include/ directory. 572# Needed to be compatible with the O= option 573UBOOTINCLUDE := 574ifneq ($(OBJTREE),$(SRCTREE)) 575UBOOTINCLUDE += -I$(OBJTREE)/include 576endif 577UBOOTINCLUDE += -I$(srctree)/include \ 578 -I$(srctree)/arch/$(ARCH)/include 579 580NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include) 581CHECKFLAGS += $(NOSTDINC_FLAGS) 582 583# FIX ME 584cpp_flags := $(KBUILD_CPPFLAGS) $(CPPFLAGS) $(UBOOTINCLUDE) $(NOSTDINC_FLAGS) 585c_flags := $(KBUILD_CFLAGS) $(cpp_flags) 586 587######################################################################### 588# U-Boot objects....order is important (i.e. start must be first) 589 590head-y := $(CPUDIR)/start.o 591head-$(CONFIG_4xx) += arch/powerpc/cpu/ppc4xx/resetvec.o 592head-$(CONFIG_MPC85xx) += arch/powerpc/cpu/mpc85xx/resetvec.o 593 594HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n) 595 596libs-y += lib/ 597libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/ 598libs-y += $(CPUDIR)/ 599ifdef SOC 600libs-y += $(CPUDIR)/$(SOC)/ 601endif 602libs-$(CONFIG_OF_EMBED) += dts/ 603libs-y += arch/$(ARCH)/lib/ 604libs-y += fs/ 605libs-y += net/ 606libs-y += disk/ 607libs-y += drivers/ 608libs-y += drivers/dma/ 609libs-y += drivers/gpio/ 610libs-y += drivers/i2c/ 611libs-y += drivers/input/ 612libs-y += drivers/mmc/ 613libs-y += drivers/mtd/ 614libs-$(CONFIG_CMD_NAND) += drivers/mtd/nand/ 615libs-y += drivers/mtd/onenand/ 616libs-$(CONFIG_CMD_UBI) += drivers/mtd/ubi/ 617libs-y += drivers/mtd/spi/ 618libs-y += drivers/net/ 619libs-y += drivers/net/phy/ 620libs-y += drivers/pci/ 621libs-y += drivers/power/ \ 622 drivers/power/fuel_gauge/ \ 623 drivers/power/mfd/ \ 624 drivers/power/pmic/ \ 625 drivers/power/battery/ 626libs-y += drivers/spi/ 627libs-$(CONFIG_FMAN_ENET) += drivers/net/fm/ 628libs-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/ 629libs-y += drivers/serial/ 630libs-y += drivers/usb/eth/ 631libs-y += drivers/usb/gadget/ 632libs-y += drivers/usb/host/ 633libs-y += drivers/usb/musb/ 634libs-y += drivers/usb/musb-new/ 635libs-y += drivers/usb/phy/ 636libs-y += drivers/usb/ulpi/ 637libs-y += common/ 638libs-y += lib/libfdt/ 639libs-$(CONFIG_API) += api/ 640libs-$(CONFIG_HAS_POST) += post/ 641libs-y += test/ 642 643ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610)) 644libs-y += arch/$(ARCH)/imx-common/ 645endif 646 647libs-$(CONFIG_ARM) += arch/arm/cpu/ 648libs-$(CONFIG_PPC) += arch/powerpc/cpu/ 649 650libs-y += board/$(BOARDDIR)/ 651 652libs-y := $(sort $(libs-y)) 653 654u-boot-dirs := $(patsubst %/,%,$(filter %/, $(libs-y))) tools examples 655 656u-boot-alldirs := $(sort $(u-boot-dirs) $(patsubst %/,%,$(filter %/, $(libs-)))) 657 658libs-y := $(patsubst %/, %/built-in.o, $(libs-y)) 659 660u-boot-init := $(head-y) 661u-boot-main := $(libs-y) 662 663 664# Add GCC lib 665ifdef USE_PRIVATE_LIBGCC 666ifeq ("$(USE_PRIVATE_LIBGCC)", "yes") 667PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/lib.a 668else 669PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc 670endif 671else 672PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(c_flags) -print-libgcc-file-name`) -lgcc 673endif 674PLATFORM_LIBS += $(PLATFORM_LIBGCC) 675export PLATFORM_LIBS 676 677# Special flags for CPP when processing the linker script. 678# Pass the version down so we can handle backwards compatibility 679# on the fly. 680LDPPFLAGS += \ 681 -include $(TOPDIR)/include/u-boot/u-boot.lds.h \ 682 -DCPUDIR=$(CPUDIR) \ 683 $(shell $(LD) --version | \ 684 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 685 686######################################################################### 687######################################################################### 688 689ifneq ($(CONFIG_BOARD_SIZE_LIMIT),) 690BOARD_SIZE_CHECK = \ 691 @actual=`wc -c $@ | awk '{print $$1}'`; \ 692 limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \ 693 if test $$actual -gt $$limit; then \ 694 echo "$@ exceeds file size limit:" >&2 ; \ 695 echo " limit: $$limit bytes" >&2 ; \ 696 echo " actual: $$actual bytes" >&2 ; \ 697 echo " excess: $$((actual - limit)) bytes" >&2; \ 698 exit 1; \ 699 fi 700else 701BOARD_SIZE_CHECK = 702endif 703 704# Statically apply RELA-style relocations (currently arm64 only) 705ifneq ($(CONFIG_STATIC_RELA),) 706# $(1) is u-boot ELF, $(2) is u-boot bin, $(3) is text base 707DO_STATIC_RELA = \ 708 start=$$($(NM) $(1) | grep __rel_dyn_start | cut -f 1 -d ' '); \ 709 end=$$($(NM) $(1) | grep __rel_dyn_end | cut -f 1 -d ' '); \ 710 tools/relocate-rela $(2) $(3) $$start $$end 711else 712DO_STATIC_RELA = 713endif 714 715# Always append ALL so that arch config.mk's can add custom ones 716ALL-y += u-boot.srec u-boot.bin System.map 717 718ALL-$(CONFIG_NAND_U_BOOT) += u-boot-nand.bin 719ALL-$(CONFIG_ONENAND_U_BOOT) += u-boot-onenand.bin 720ALL-$(CONFIG_RAMBOOT_PBL) += u-boot.pbl 721ALL-$(CONFIG_SPL) += spl/u-boot-spl.bin 722ALL-$(CONFIG_SPL_FRAMEWORK) += u-boot.img 723ALL-$(CONFIG_TPL) += tpl/u-boot-tpl.bin 724ALL-$(CONFIG_OF_SEPARATE) += u-boot.dtb u-boot-dtb.bin 725ifneq ($(CONFIG_SPL_TARGET),) 726ALL-$(CONFIG_SPL) += $(CONFIG_SPL_TARGET:"%"=%) 727endif 728ALL-$(CONFIG_REMAKE_ELF) += u-boot.elf 729 730# enable combined SPL/u-boot/dtb rules for tegra 731ifneq ($(CONFIG_TEGRA),) 732ifeq ($(CONFIG_SPL),y) 733ifeq ($(CONFIG_OF_SEPARATE),y) 734ALL-y += u-boot-dtb-tegra.bin 735else 736ALL-y += u-boot-nodtb-tegra.bin 737endif 738endif 739endif 740 741LDFLAGS_u-boot += $(LDFLAGS_FINAL) 742ifneq ($(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 = UIMAGE $@ 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 770quiet_cmd_copy = COPY $@ 771 cmd_copy = cp $< $@ 772 773u-boot.dtb: dts/dt.dtb 774 $(call cmd,copy) 775 776OBJCOPYFLAGS_u-boot.hex := -O ihex 777 778OBJCOPYFLAGS_u-boot.srec := -O srec 779 780u-boot.hex u-boot.srec: u-boot FORCE 781 $(call if_changed,objcopy) 782 783OBJCOPYFLAGS_u-boot.bin := -O binary 784 785u-boot.bin: u-boot FORCE 786 $(call if_changed,objcopy) 787 $(call DO_STATIC_RELA,$<,$@,$(CONFIG_SYS_TEXT_BASE)) 788 $(BOARD_SIZE_CHECK) 789 790u-boot.ldr: u-boot 791 $(CREATE_LDR_ENV) 792 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS) 793 $(BOARD_SIZE_CHECK) 794 795OBJCOPYFLAGS_u-boot.ldr.hex := -I binary -O ihex 796 797OBJCOPYFLAGS_u-boot.ldr.srec := -I binary -O srec 798 799u-boot.ldr.hex u-boot.ldr.srec: u-boot.ldr FORCE 800 $(call if_changed,objcopy) 801 802# 803# U-Boot entry point, needed for booting of full-blown U-Boot 804# from the SPL U-Boot version. 805# 806ifndef CONFIG_SYS_UBOOT_START 807CONFIG_SYS_UBOOT_START := 0 808endif 809 810MKIMAGEFLAGS_u-boot.img = -A $(ARCH) -T firmware -C none -O u-boot \ 811 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \ 812 -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board" 813 814MKIMAGEFLAGS_u-boot.kwb = -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \ 815 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) 816 817MKIMAGEFLAGS_u-boot.pbl = -n $(CONFIG_SYS_FSL_PBL_RCW) \ 818 -R $(CONFIG_SYS_FSL_PBL_PBI) -T pblimage 819 820u-boot.img u-boot.kwb u-boot.pbl: u-boot.bin FORCE 821 $(call if_changed,mkimage) 822 823u-boot.imx: u-boot.bin 824 $(Q)$(MAKE) $(build)=arch/arm/imx-common $@ 825 826u-boot.sha1: u-boot.bin 827 tools/ubsha1 u-boot.bin 828 829u-boot.dis: u-boot 830 $(OBJDUMP) -d $< > $@ 831 832ifdef CONFIG_TPL 833SPL_PAYLOAD := tpl/u-boot-with-tpl.bin 834else 835SPL_PAYLOAD := u-boot.bin 836endif 837 838OBJCOPYFLAGS_u-boot-with-spl.bin = -I binary -O binary \ 839 --pad-to=$(CONFIG_SPL_PAD_TO) 840u-boot-with-spl.bin: spl/u-boot-spl.bin $(SPL_PAYLOAD) FORCE 841 $(call if_changed,pad_cat) 842 843OBJCOPYFLAGS_u-boot-with-tpl.bin = -I binary -O binary \ 844 --pad-to=$(CONFIG_TPL_PAD_TO) 845tpl/u-boot-with-tpl.bin: tpl/u-boot-tpl.bin u-boot.bin FORCE 846 $(call if_changed,pad_cat) 847 848SPL: spl/u-boot-spl.bin FORCE 849 $(Q)$(MAKE) $(build)=arch/arm/imx-common $@ 850 851u-boot-with-spl.imx u-boot-with-nand-spl.imx: SPL u-boot.bin FORCE 852 $(Q)$(MAKE) $(build)=arch/arm/imx-common $@ 853 854MKIMAGEFLAGS_u-boot.ubl = -n $(UBL_CONFIG) -T ublimage -e $(CONFIG_SYS_TEXT_BASE) 855 856u-boot.ubl: u-boot-with-spl.bin FORCE 857 $(call if_changed,mkimage) 858 859MKIMAGEFLAGS_u-boot-spl.ais = -s -n $(if $(CONFIG_AIS_CONFIG_FILE), \ 860 $(srctree)/$(CONFIG_AIS_CONFIG_FILE:"%"=%),"/dev/null") \ 861 -T aisimage -e $(CONFIG_SPL_TEXT_BASE) 862spl/u-boot-spl.ais: spl/u-boot-spl.bin FORCE 863 $(call if_changed,mkimage) 864 865OBJCOPYFLAGS_u-boot.ais = -I binary -O binary --pad-to=$(CONFIG_SPL_MAX_SIZE) 866u-boot.ais: spl/u-boot-spl.ais u-boot.img FORCE 867 $(call if_changed,pad_cat) 868 869u-boot.sb: u-boot.bin spl/u-boot-spl.bin 870 $(Q)$(MAKE) $(build)=arch/arm/cpu/arm926ejs/mxs $(objtree)/u-boot.sb 871 872# On x600 (SPEAr600) U-Boot is appended to U-Boot SPL. 873# Both images are created using mkimage (crc etc), so that the ROM 874# bootloader can check its integrity. Padding needs to be done to the 875# SPL image (with mkimage header) and not the binary. Otherwise the resulting image 876# which is loaded/copied by the ROM bootloader to SRAM doesn't fit. 877# The resulting image containing both U-Boot images is called u-boot.spr 878MKIMAGEFLAGS_u-boot-spl.img = -A $(ARCH) -T firmware -C none \ 879 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER 880spl/u-boot-spl.img: spl/u-boot-spl.bin FORCE 881 $(call if_changed,mkimage) 882 883OBJCOPYFLAGS_u-boot.spr = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) \ 884 --gap-fill=0xff 885u-boot.spr: spl/u-boot-spl.img u-boot.img FORCE 886 $(call if_changed,pad_cat) 887 888ifneq ($(CONFIG_TEGRA),) 889OBJCOPYFLAGS_u-boot-nodtb-tegra.bin = -O binary --pad-to=$(CONFIG_SYS_TEXT_BASE) 890u-boot-nodtb-tegra.bin: spl/u-boot-spl u-boot.bin FORCE 891 $(call if_changed,pad_cat) 892 893ifeq ($(CONFIG_OF_SEPARATE),y) 894u-boot-dtb-tegra.bin: u-boot-nodtb-tegra.bin dts/dt.dtb FORCE 895 $(call if_changed,cat) 896endif 897endif 898 899u-boot-img.bin: spl/u-boot-spl.bin u-boot.img FORCE 900 $(call if_changed,cat) 901 902# PPC4xx needs the SPL at the end of the image, since the reset vector 903# is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target 904# and need to introduce a new build target with the full blown U-Boot 905# at the start padded up to the start of the SPL image. And then concat 906# the SPL image to the end. 907 908OBJCOPYFLAGS_u-boot-img-spl-at-end.bin := -I binary -O binary \ 909 --pad-to=$(CONFIG_UBOOT_PAD_TO) --gap-fill=0xff 910u-boot-img-spl-at-end.bin: u-boot.img spl/u-boot-spl.bin FORCE 911 $(call if_changed,pad_cat) 912 913# Create a new ELF from a raw binary file. This is useful for arm64 914# where static relocation needs to be performed on the raw binary, 915# but certain simulators only accept an ELF file (but don't do the 916# relocation). 917# FIXME refactor dts/Makefile to share target/arch detection 918u-boot.elf: u-boot.bin 919 @$(OBJCOPY) -B aarch64 -I binary -O elf64-littleaarch64 \ 920 $< u-boot-elf.o 921 @$(LD) u-boot-elf.o -o $@ \ 922 --defsym=_start=$(CONFIG_SYS_TEXT_BASE) \ 923 -Ttext=$(CONFIG_SYS_TEXT_BASE) 924 925# Rule to link u-boot 926# May be overridden by arch/$(ARCH)/config.mk 927quiet_cmd_u-boot__ ?= LD $@ 928 cmd_u-boot__ ?= $(LD) $(LDFLAGS) $(LDFLAGS_u-boot) -o $@ \ 929 -T u-boot.lds $(u-boot-init) \ 930 --start-group $(u-boot-main) --end-group \ 931 $(PLATFORM_LIBS) -Map u-boot.map 932 933u-boot: $(u-boot-init) $(u-boot-main) u-boot.lds 934 $(call if_changed,u-boot__) 935ifeq ($(CONFIG_KALLSYMS),y) 936 smap=`$(call SYSTEM_MAP,u-boot) | \ 937 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \ 938 $(CC) $(c_flags) -DSYSTEM_MAP="\"$${smap}\"" \ 939 -c $(srctree)/common/system_map.c -o common/system_map.o 940 $(call cmd,u-boot__) common/system_map.o 941endif 942 943# The actual objects are generated when descending, 944# make sure no implicit rule kicks in 945$(sort $(u-boot-init) $(u-boot-main)): $(u-boot-dirs) ; 946 947# Handle descending into subdirectories listed in $(vmlinux-dirs) 948# Preset locale variables to speed up the build process. Limit locale 949# tweaks to this spot to avoid wrong language settings when running 950# make menuconfig etc. 951# Error messages still appears in the original language 952 953PHONY += $(u-boot-dirs) 954$(u-boot-dirs): prepare scripts 955 $(Q)$(MAKE) $(build)=$@ 956 957tools: prepare 958# The "tools" are needed early 959$(filter-out tools, $(u-boot-dirs)): tools 960# The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC 961# is "yes"), so compile examples after U-Boot is compiled. 962examples: $(filter-out examples, $(u-boot-dirs)) 963 964define filechk_uboot.release 965 echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" 966endef 967 968# Store (new) UBOOTRELEASE string in include/config/uboot.release 969include/config/uboot.release: Makefile FORCE 970 $(call filechk,uboot.release) 971 972 973# Things we need to do before we recursively start building the kernel 974# or the modules are listed in "prepare". 975# A multi level approach is used. prepareN is processed before prepareN-1. 976# archprepare is used in arch Makefiles and when processed asm symlink, 977# version.h and scripts_basic is processed / created. 978 979# Listed in dependency order 980PHONY += prepare archprepare prepare0 prepare1 prepare2 prepare3 981 982# prepare3 is used to check if we are building in a separate output directory, 983# and if so do: 984# 1) Check that make has not been executed in the kernel src $(srctree) 985prepare3: include/config/uboot.release 986ifneq ($(KBUILD_SRC),) 987 @$(kecho) ' Using $(srctree) as source for u-boot' 988 $(Q)if [ -f $(srctree)/include/config.mk ]; then \ 989 echo >&2 " $(srctree) is not clean, please run 'make mrproper'"; \ 990 echo >&2 " in the '$(srctree)' directory.";\ 991 /bin/false; \ 992 fi; 993endif 994 995# prepare2 creates a makefile if using a separate output directory 996prepare2: prepare3 outputmakefile 997 998prepare1: prepare2 $(version_h) $(timestamp_h) 999 @: 1000 1001archprepare: prepare1 scripts_basic 1002 1003prepare0: archprepare FORCE 1004 $(Q)$(MAKE) $(build)=. 1005 1006# All the preparing.. 1007prepare: prepare0 1008 1009# Generate some files 1010# --------------------------------------------------------------------------- 1011 1012define filechk_version.h 1013 (echo \#define PLAIN_VERSION \"$(UBOOTRELEASE)\"; \ 1014 echo \#define U_BOOT_VERSION \"U-Boot \" PLAIN_VERSION; \ 1015 echo \#define CC_VERSION_STRING \"$$($(CC) --version | head -n 1)\"; \ 1016 echo \#define LD_VERSION_STRING \"$$($(LD) --version | head -n 1)\"; ) 1017endef 1018 1019define filechk_timestamp.h 1020 (LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"'; \ 1021 LC_ALL=C date +'#define U_BOOT_TIME "%T"') 1022endef 1023 1024$(version_h): $(srctree)/Makefile FORCE 1025 $(call filechk,version.h) 1026 1027$(timestamp_h): $(srctree)/Makefile FORCE 1028 $(call filechk,timestamp.h) 1029 1030# 1031# Auto-generate the autoconf.mk file (which is included by all makefiles) 1032# 1033# This target actually generates 2 files; autoconf.mk and autoconf.mk.dep. 1034# the dep file is only include in this top level makefile to determine when 1035# to regenerate the autoconf.mk file. 1036 1037quiet_cmd_autoconf_dep = GEN $@ 1038 cmd_autoconf_dep = $(CC) -x c -DDO_DEPS_ONLY -M $(c_flags) \ 1039 -MQ include/autoconf.mk $(srctree)/include/common.h > $@ || rm $@ 1040 1041include/autoconf.mk.dep: include/config.h include/common.h 1042 $(call cmd,autoconf_dep) 1043 1044quiet_cmd_autoconf = GEN $@ 1045 cmd_autoconf = \ 1046 $(CPP) $(c_flags) -DDO_DEPS_ONLY -dM $(srctree)/include/common.h > $@.tmp && \ 1047 sed -n -f $(srctree)/tools/scripts/define2mk.sed $@.tmp > $@; \ 1048 rm $@.tmp 1049 1050include/autoconf.mk: include/config.h 1051 $(call cmd,autoconf) 1052 1053# --------------------------------------------------------------------------- 1054 1055PHONY += depend dep 1056depend dep: 1057 @echo '*** Warning: make $@ is unnecessary now.' 1058 1059# --------------------------------------------------------------------------- 1060quiet_cmd_cpp_lds = LDS $@ 1061cmd_cpp_lds = $(CPP) $(cpp_flags) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ \ 1062 -x assembler-with-cpp -P -o $@ $< 1063 1064u-boot.lds: $(LDSCRIPT) prepare FORCE 1065 $(call if_changed,cpp_lds) 1066 1067PHONY += nand_spl 1068nand_spl: prepare 1069 $(Q)$(MAKE) $(build)=nand_spl/board/$(BOARDDIR) all 1070 1071nand_spl/u-boot-spl-16k.bin: nand_spl 1072 @: 1073 1074u-boot-nand.bin: nand_spl/u-boot-spl-16k.bin u-boot.bin FORCE 1075 $(call if_changed,cat) 1076 1077spl/u-boot-spl.bin: spl/u-boot-spl 1078 @: 1079spl/u-boot-spl: tools prepare 1080 $(Q)$(MAKE) obj=spl -f $(srctree)/spl/Makefile all 1081 1082tpl/u-boot-tpl.bin: tools prepare 1083 $(Q)$(MAKE) obj=tpl -f $(srctree)/spl/Makefile all CONFIG_TPL_BUILD=y 1084 1085TAG_SUBDIRS := $(u-boot-dirs) include 1086 1087FIND := find 1088FINDFLAGS := -L 1089 1090tags ctags: 1091 ctags -w -o ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 1092 -name '*.[chS]' -print` 1093 1094etags: 1095 etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 1096 -name '*.[chS]' -print` 1097cscope: 1098 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \ 1099 cscope.files 1100 cscope -b -q -k 1101 1102SYSTEM_MAP = \ 1103 $(NM) $1 | \ 1104 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \ 1105 LC_ALL=C sort 1106System.map: u-boot 1107 @$(call SYSTEM_MAP,$<) > $@ 1108 1109checkthumb: 1110 @if test $(call cc-version) -lt 0404; then \ 1111 echo -n '*** Your GCC does not produce working '; \ 1112 echo 'binaries in THUMB mode.'; \ 1113 echo '*** Your board is configured for THUMB mode.'; \ 1114 false; \ 1115 fi 1116 1117# GCC 3.x is reported to have problems generating the type of relocation 1118# that U-Boot wants. 1119# See http://lists.denx.de/pipermail/u-boot/2012-September/135156.html 1120checkgcc4: 1121 @if test $(call cc-version) -lt 0400; then \ 1122 echo -n '*** Your GCC is too old, please upgrade to GCC 4.x or newer'; \ 1123 false; \ 1124 fi 1125 1126checkdtc: 1127 @if test $(call dtc-version) -lt 0104; then \ 1128 echo '*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \ 1129 false; \ 1130 fi 1131 1132######################################################################### 1133 1134# ARM relocations should all be R_ARM_RELATIVE (32-bit) or 1135# R_AARCH64_RELATIVE (64-bit). 1136checkarmreloc: u-boot 1137 @RELOC="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \ 1138 grep R_A | sort -u`"; \ 1139 if test "$$RELOC" != "R_ARM_RELATIVE" -a \ 1140 "$$RELOC" != "R_AARCH64_RELATIVE"; then \ 1141 echo "$< contains unexpected relocations: $$RELOC"; \ 1142 false; \ 1143 fi 1144 1145env: scripts_basic 1146 $(Q)$(MAKE) $(build)=tools/$@ 1147 1148tools-all: HOST_TOOLS_ALL=y 1149tools-all: env tools ; 1150 1151.PHONY : CHANGELOG 1152CHANGELOG: 1153 git log --no-merges U-Boot-1_1_5.. | \ 1154 unexpand -a | sed -e 's/\s\s*$$//' > $@ 1155 1156include/license.h: tools/bin2header COPYING 1157 cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h 1158######################################################################### 1159 1160### 1161# Cleaning is done on three levels. 1162# make clean Delete most generated files 1163# Leave enough to build external modules 1164# make mrproper Delete the current configuration, and all generated files 1165# make distclean Remove editor backup files, patch leftover files and the like 1166 1167# Directories & files removed with 'make clean' 1168CLEAN_DIRS += $(MODVERDIR) 1169CLEAN_FILES += u-boot.lds include/bmp_logo.h include/bmp_logo_data.h \ 1170 board/*/config.tmp board/*/*/config.tmp \ 1171 include/autoconf.mk* include/spl-autoconf.mk \ 1172 include/tpl-autoconf.mk 1173 1174# Directories & files removed with 'make clobber' 1175CLOBBER_DIRS += $(patsubst %,spl/%, $(filter-out Makefile, \ 1176 $(shell ls -1 spl 2>/dev/null))) \ 1177 tpl 1178CLOBBER_FILES += u-boot* MLO* SPL System.map nand_spl/u-boot* 1179 1180# Directories & files removed with 'make mrproper' 1181MRPROPER_DIRS += include/config include/generated 1182MRPROPER_FILES += .config .config.old \ 1183 tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS \ 1184 include/config.h include/config.mk 1185 1186# clean - Delete most, but leave enough to build external modules 1187# 1188clean: rm-dirs := $(CLEAN_DIRS) 1189clean: rm-files := $(CLEAN_FILES) 1190 1191clean-dirs := $(foreach f,$(u-boot-alldirs),$(if $(wildcard $f/Makefile),$f)) 1192 1193clean-dirs := $(addprefix _clean_, $(clean-dirs) doc/DocBook) 1194 1195PHONY += $(clean-dirs) clean archclean 1196$(clean-dirs): 1197 $(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@) 1198 1199# TODO: Do not use *.cfgtmp 1200clean: $(clean-dirs) 1201 $(call cmd,rmdirs) 1202 $(call cmd,rmfiles) 1203 @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \ 1204 \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \ 1205 -o -name '*.ko.*' -o -name '*.su' -o -name '*.cfgtmp' \ 1206 -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \ 1207 -o -name '*.symtypes' -o -name 'modules.order' \ 1208 -o -name modules.builtin -o -name '.tmp_*.o.*' \ 1209 -o -name '*.gcno' \) -type f -print | xargs rm -f 1210 @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \ 1211 -path './nand_spl/*' -type l -print | xargs rm -f 1212 1213# clobber 1214# 1215clobber: rm-dirs := $(CLOBBER_DIRS) 1216clobber: rm-files := $(CLOBBER_FILES) 1217 1218PHONY += clobber 1219 1220clobber: clean 1221 $(call cmd,rmdirs) 1222 $(call cmd,rmfiles) 1223 1224# mrproper - Delete all generated files, including .config 1225# 1226mrproper: rm-dirs := $(wildcard $(MRPROPER_DIRS)) 1227mrproper: rm-files := $(wildcard $(MRPROPER_FILES)) 1228mrproper-dirs := $(addprefix _mrproper_,scripts) 1229 1230PHONY += $(mrproper-dirs) mrproper archmrproper 1231$(mrproper-dirs): 1232 $(Q)$(MAKE) $(clean)=$(patsubst _mrproper_%,%,$@) 1233 1234mrproper: clobber $(mrproper-dirs) 1235 $(call cmd,rmdirs) 1236 $(call cmd,rmfiles) 1237 @rm -f arch/*/include/asm/arch arch/*/include/asm/proc 1238 1239# distclean 1240# 1241PHONY += distclean 1242 1243distclean: mrproper 1244 @find $(srctree) $(RCS_FIND_IGNORE) \ 1245 \( -name '*.orig' -o -name '*.rej' -o -name '*~' \ 1246 -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \ 1247 -o -name '.*.rej' \ 1248 -o -name '*%' -o -name '.*.cmd' -o -name 'core' \) \ 1249 -type f -print | xargs rm -f 1250 1251backup: 1252 F=`basename $(TOPDIR)` ; cd .. ; \ 1253 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F 1254 1255help: 1256 @echo 'Cleaning targets:' 1257 @echo ' clean - Remove most generated files but keep the config and' 1258 @echo ' necessities for testing u-boot' 1259 @echo ' clobber - Remove most generated files but keep the config' 1260 @echo ' mrproper - Remove all generated files + config + various backup files' 1261 @echo ' distclean - mrproper + remove editor backup and patch files' 1262 @echo '' 1263# uncomment after adding Kconfig feature 1264# @echo 'Configuration targets:' 1265# @$(MAKE) -f $(srctree)/scripts/kconfig/Makefile help 1266# @echo '' 1267 @echo 'Other generic targets:' 1268 @echo ' all - Build all necessary images depending on configuration' 1269 @echo ' u-boot - Build the bare u-boot' 1270 @echo ' dir/ - Build all files in dir and below' 1271 @echo ' dir/file.[oisS] - Build specified target only' 1272 @echo ' dir/file.lst - Build specified mixed source/assembly target only' 1273 @echo ' (requires a recent binutils and recent build (System.map))' 1274 @echo ' tags/TAGS - Generate tags file for editors' 1275 @echo ' cscope - Generate cscope index' 1276 @echo ' ubootrelease - Output the release version string' 1277 @echo ' ubootversion - Output the version stored in Makefile' 1278 @echo '' 1279 @echo 'Static analysers' 1280 @echo ' checkstack - Generate a list of stack hogs' 1281 @echo '' 1282 @echo 'Documentation targets:' 1283 @$(MAKE) -f $(srctree)/doc/DocBook/Makefile dochelp 1284 @echo '' 1285 @echo ' make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build' 1286 @echo ' make V=2 [targets] 2 => give reason for rebuild of target' 1287 @echo ' make O=dir [targets] Locate all output files in "dir", including .config' 1288 @echo ' make C=1 [targets] Check all c source with $$CHECK (sparse by default)' 1289 @echo ' make C=2 [targets] Force check of all c source with $$CHECK' 1290 @echo ' make RECORDMCOUNT_WARN=1 [targets] Warn about ignored mcount sections' 1291 @echo ' make W=n [targets] Enable extra gcc checks, n=1,2,3 where' 1292 @echo ' 1: warnings which may be relevant and do not occur too often' 1293 @echo ' 2: warnings which occur quite often but may still be relevant' 1294 @echo ' 3: more obscure warnings, can most likely be ignored' 1295 @echo ' Multiple levels can be combined with W=12 or W=123' 1296 @echo '' 1297 @echo 'Execute "make" or "make all" to build all targets marked with [*] ' 1298 @echo 'For further info see the ./README file' 1299 1300 1301# Documentation targets 1302# --------------------------------------------------------------------------- 1303%docs: scripts_basic FORCE 1304 $(Q)$(MAKE) $(build)=scripts build_docproc 1305 $(Q)$(MAKE) $(build)=doc/DocBook $@ 1306 1307# Dummies... 1308PHONY += prepare scripts 1309prepare: ; 1310scripts: ; 1311 1312endif #ifeq ($(config-targets),1) 1313endif #ifeq ($(mixed-targets),1) 1314 1315PHONY += checkstack ubootrelease ubootversion 1316 1317checkstack: 1318 $(OBJDUMP) -d u-boot $$(find . -name u-boot-spl) | \ 1319 $(PERL) $(src)/scripts/checkstack.pl $(ARCH) 1320 1321ubootrelease: 1322 @echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" 1323 1324ubootversion: 1325 @echo $(UBOOTVERSION) 1326 1327# Single targets 1328# --------------------------------------------------------------------------- 1329# Single targets are compatible with: 1330# - build with mixed source and output 1331# - build with separate output dir 'make O=...' 1332# - external modules 1333# 1334# target-dir => where to store outputfile 1335# build-dir => directory in kernel source tree to use 1336 1337ifeq ($(KBUILD_EXTMOD),) 1338 build-dir = $(patsubst %/,%,$(dir $@)) 1339 target-dir = $(dir $@) 1340else 1341 zap-slash=$(filter-out .,$(patsubst %/,%,$(dir $@))) 1342 build-dir = $(KBUILD_EXTMOD)$(if $(zap-slash),/$(zap-slash)) 1343 target-dir = $(if $(KBUILD_EXTMOD),$(dir $<),$(dir $@)) 1344endif 1345 1346%.s: %.c prepare scripts FORCE 1347 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1348%.i: %.c prepare scripts FORCE 1349 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1350%.o: %.c prepare scripts FORCE 1351 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1352%.lst: %.c prepare scripts FORCE 1353 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1354%.s: %.S prepare scripts FORCE 1355 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1356%.o: %.S prepare scripts FORCE 1357 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1358%.symtypes: %.c prepare scripts FORCE 1359 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1360 1361# Modules 1362/: prepare scripts FORCE 1363 $(cmd_crmodverdir) 1364 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 1365 $(build)=$(build-dir) 1366%/: prepare scripts FORCE 1367 $(cmd_crmodverdir) 1368 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 1369 $(build)=$(build-dir) 1370%.ko: prepare scripts FORCE 1371 $(cmd_crmodverdir) 1372 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 1373 $(build)=$(build-dir) $(@:.ko=.o) 1374 $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost 1375 1376# FIXME Should go into a make.lib or something 1377# =========================================================================== 1378 1379quiet_cmd_rmdirs = $(if $(wildcard $(rm-dirs)),CLEAN $(wildcard $(rm-dirs))) 1380 cmd_rmdirs = rm -rf $(rm-dirs) 1381 1382quiet_cmd_rmfiles = $(if $(wildcard $(rm-files)),CLEAN $(wildcard $(rm-files))) 1383 cmd_rmfiles = rm -f $(rm-files) 1384 1385# read all saved command lines 1386 1387targets := $(wildcard $(sort $(targets))) 1388cmd_files := $(wildcard .*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd)) 1389 1390ifneq ($(cmd_files),) 1391 $(cmd_files): ; # Do not try to update included dependency files 1392 include $(cmd_files) 1393endif 1394 1395# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.clean obj=dir 1396# Usage: 1397# $(Q)$(MAKE) $(clean)=dir 1398clean := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.clean obj 1399 1400endif # skip-makefile 1401 1402PHONY += FORCE 1403FORCE: 1404 1405# Declare the contents of the .PHONY variable as phony. We keep that 1406# information in a variable so we can use it in if_changed and friends. 1407.PHONY: $(PHONY) 1408